Alternatives to Biome

Compare Biome alternatives for your business or organization using the curated list below. SourceForge ranks the best alternatives to Biome in 2025. Compare features, ratings, user reviews, pricing, and more from Biome competitors and alternatives in order to make an informed decision for your business.

  • 1
    ESLint

    ESLint

    ESLint

    ESLint is a static code analysis tool for identifying problematic patterns in JavaScript code. It allows developers to configure rules and define custom ones, addressing both code quality and coding style issues. ESLint supports current ECMAScript standards and experimental syntax from future drafts. It can process code using JSX or TypeScript through appropriate plugins or transpilers. The tool is integrated into most text editors and can be part of continuous integration pipelines, enabling automatic problem detection and correction. ESLint is the #1 JavaScript linter by downloads on npm and is used at companies like Microsoft, Airbnb, Netflix, and Facebook. Preprocess code, use custom parsers and write your own rules that work alongside ESLint's built-in rules. Customize ESLint to work exactly the way you need it for your project. Many problems ESLint finds can be automatically fixed. ESLint fixes are syntax-aware so you won't experience errors.
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    RuboCop

    RuboCop

    RuboCop

    RuboCop is a Ruby code style checker (linter) and formatter based on the community-driven Ruby Style Guide. RuboCop is extremely flexible and most aspects of its behavior can be tweaked via various configuration options. In practice RuboCop supports pretty much every (reasonably popular) coding style that you can think of. Apart from reporting problems in your code, RuboCop can also automatically fix some of the problems for you. RuboCop packs a lot of features on top of what you’d normally expect from a linter. Works with every major Ruby implementation. Auto-correction of many of the code offenses it detects. Robust code formatting capabilities. Multiple result formatters for both interactive use and for feeding data into other tools. Ability to have different configuration for different parts of your codebase. Ability to disable certain cops only for specific files or parts of files.
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    Modern MERN

    Modern MERN

    Modern MERN

    Modern MERN is a comprehensive Node.js SaaS boilerplate designed to accelerate the development of SaaS products by providing a robust foundation built with the MERN stack, MongoDB, Express.js, React, and Node.js. It incorporates modern technologies such as Next.js, TypeScript, Tailwind CSS, Prisma, and Serverless architecture on AWS, ensuring scalability and maintainability. The boilerplate includes essential features like authentication (supporting email/password, Google, Facebook, Apple, and Amazon logins), multi-tenancy with team management, subscription payments via Stripe integration, and an admin dashboard for efficient user and team oversight. Developers benefit from a clean code architecture adhering to solid principles, pre-built responsive UI components, multi-theme support, and a mobile-first design approach. The platform emphasizes high-quality code standards, incorporating tools like ESLint, Prettier, Husky, and TypeScript, alongside comprehensive testing.
    Starting Price: $699 per project
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    ReSharper

    ReSharper

    JetBrains

    The Visual Studio Extension for .NET Developers. On-the-fly code quality analysis is available in C#, VB.NET, XAML, ASP.NET, ASP.NET MVC, JavaScript, TypeScript, CSS, HTML, and XML. You'll know right away if your code needs to be improved. Not only does ReSharper warn you when there's a problem in your code but it provides hundreds of quick-fixes to solve problems automatically. In almost every case, you can select the best quick-fix from a variety of options. Automated solution-wide code refactorings help you safely change your code base. Whether you need to revitalize legacy code or put your project structure in order, you can rely on ReSharper. You can instantly navigate and search through the whole solution. Jump to any file, type, or type member, or navigate from a specific symbol to its usages, base and derived symbols, or implementations.
    Starting Price: $12.90 per user per month
  • 5
    SonarQube for IDE
    Easy to use, no configuration needed — just install from your favorite IDE marketplace and continue to code while SonarQube for IDE (formerly SonarLint) does its job. Your current linting tools may come with overhead – specialized tools for languages or longer setup and config time. With SonarQube for IDE, you can settle on a single solution to address your Code Quality and Code Security issues. We have you covered with hundreds of unique, language-specific rules to catch Bugs, Code Smells, and Security Vulnerabilities right in the IDE, as you code. From dangerous regex patterns to non-compliant coding standards, SonarQube for IDE is your true confidante in delivering error-free code. With an intelligent tool by your side, your mistakes are only visible to you so you can understand them, quickly remediate them, and learn along the way.
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    Opengrep

    Opengrep

    Opengrep

    Opengrep is an open-source static code analysis engine designed to identify security vulnerabilities within codebases. As a fork of Semgrep, it maintains a similar focus on providing fast and powerful code pattern search capabilities across more than 30 programming languages, including Python, JavaScript, and Go. Opengrep enables developers to define custom rules for pattern matching, facilitating the detection of potential security issues and promoting adherence to coding standards. By integrating Opengrep into the development workflow, teams can proactively address vulnerabilities, thereby enhancing the overall security and reliability of their software projects.
    Starting Price: Free
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    PostCSS

    PostCSS

    PostCSS

    PostCSS is a versatile tool that transforms CSS using JavaScript plugins, enabling a wide range of functionalities such as linting, supporting variables and mixins, transpiling future CSS syntax, and inlining images. It serves as a framework for developing CSS tools and can be utilized to create template languages similar to Sass and LESS. The core of PostCSS comprises a CSS parser that generates an abstract syntax tree, a set of classes that form the tree, a CSS generator that produces a CSS line for the object tree, and a code map generator for CSS changes. Plugins operate on the object tree, analyzing and modifying it before PostCSS generates a new CSS string reflecting these changes. Notable plugins include Autoprefixer, which adds vendor prefixes, and Stylelint, a modern CSS linter that enforces consistent conventions and avoids errors in stylesheets. PostCSS is employed by industry leaders such as Wikipedia, Twitter, Alibaba, and JetBrains.
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    TypeScript

    TypeScript

    TypeScript

    TypeScript adds additional syntax to JavaScript to support a tighter integration with your editor. Catch errors early in your editor. TypeScript code converts to JavaScript, which runs anywhere JavaScript runs: In a browser, on Node.js or Deno and in your apps. TypeScript understands JavaScript and uses type inference to give you great tooling without additional code. TypeScript was used by 78% of the 2020 State of JS respondents, with 93% saying they would use it again. The most common kinds of errors that programmers write can be described as type errors: a certain kind of value was used where a different kind of value was expected. This could be due to simple typos, a failure to understand the API surface of a library, incorrect assumptions about runtime behavior, or other errors.
    Starting Price: Free
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    Refraction

    Refraction

    Refraction

    Refraction is a code-generation tool for developers. It uses AI to generate code for you. You can use it to generate unit tests, documentation, refactor code, and more. Generate code using AI in 34 languages — Assembly, C#, C++, CoffeeScript, CSS, Dart, Elixir, Erlang, Go, GraphQL, Groovy, Haskell, HTML, Java, JavaScript, Kotlin, LaTeX, Less, Lua, MatLab, Objective-C, OCaml, Perl, PHP, Python, R Lang, Ruby, Rust, Sass / SCSS, Scala, Shell, SQL, Swift, and TypeScript. Join thousands of developers around the world using Refraction to generate documentation, create unit tests, refactor code, and more using AI. Use the power of AI to automate the tedious parts of software development like testing, documentation, and refactoring, so you can focus on what matters. Refactor, optimize, fix and style-check your code. Generate unit tests for your code with various test frameworks. Explain the purpose of your code to make it easier to understand.
    Starting Price: $8 per month
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    Trigger.dev

    Trigger.dev

    Trigger.dev

    Write normal async code and we'll handle the rest, from deployment to elastic scaling. No timeouts, real-time monitoring, and zero infrastructure to manage. Trigger.dev is an open source platform and SDK that enables developers to create long-running background jobs without timeouts, directly within their existing codebase. It supports JavaScript and TypeScript, allowing for the writing of reliable asynchronous code that integrates seamlessly with existing workflows. The platform offers features such as API integrations, webhooks, scheduling, delays, and control over concurrency, all without the need to manage servers. Trigger.dev provides built-in monitoring and observability tools, including real-time run status updates, advanced filtering, and custom alerts via email, Slack, or webhooks. Its architecture ensures elastic scaling to handle varying workloads efficiently. Developers can deploy tasks using a command-line interface, with the platform handling scaling management.
    Starting Price: $10 per month
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    SMART TS XL

    SMART TS XL

    IN-COM Data Systems

    SMART TS XL is an enterprise-grade application discovery and “software intelligence” platform that enables organizations to search, analyze, and visualize dependencies across all their codebases, regardless of platform or language. It ingests source code, database schemas, configuration files, documentation, ticketing logs, JCL, and other assets, from legacy mainframes (COBOL, JCL, PL/I, AS/400, etc.) to modern distributed environments (Java, .NET, Python, JavaScript, C++, databases, scripts, text files), and catalogs everything into a centralized, searchable repository. With patented indexing technology, SMART TS XL can process millions or even billions of lines of code and return results in seconds, allowing users to instantly locate where particular fields, error messages, modules, or logic are used enterprise-wide. It generates interactive visualizations like control-flow diagrams, cross-reference graphs, and impact-analysis maps.
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    Nextless.js

    Nextless.js

    Nextless.js

    The fastest way to build scalable and production-ready SaaS products. Nextless.js is a comprehensive SaaS starter kit designed to expedite the development of scalable and production-ready applications using Next.js and serverless technologies. It integrates essential features such as authentication via AWS Cognito, including email and social logins, multi-factor authentication, and subscription payments through Stripe with webhook support. The platform facilitates team collaboration by allowing users to invite teammates via email and supports multi-tenancy with tenant isolation using the silo model. Developers benefit from built-in user and admin dashboards, customizable forms, and a responsive landing page theme styled with Tailwind CSS. Nextless.js emphasizes a high-quality developer experience by incorporating TypeScript, ESLint, Prettier, and Husky, and leverages the AWS ecosystem, including Amplify, API Gateway, and AWS CDK.
    Starting Price: $699 one-time payment
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    WebStorm

    WebStorm

    JetBrains

    WebStorm is a powerful JavaScript and TypeScript integrated development environment (IDE) designed to boost developer productivity and enjoyment. It comes ready to use out of the box with essential tools for JavaScript, TypeScript, HTML, CSS, and popular frameworks like React, Angular, and Vue. WebStorm offers deep code understanding, fast navigation, safe refactoring, and built-in Git support. It automates complex tasks such as resolving merge conflicts and debugging tests, saving developers time. The IDE integrates advanced AI-powered coding assistance, including unlimited code completion and offline support. WebStorm’s customizable interface and plugin ecosystem make it adaptable to any developer’s workflow.
    Starting Price: $129 per user per year
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    ZippyStarter

    ZippyStarter

    ZippyStarter

    ZippyStarter is a Next.js starter kit designed to expedite the development of blogs, landing pages, portfolios, and websites by providing a collection of visually appealing templates and reusable components. It leverages Next.js, integrating ContentLayer and MDX to facilitate dynamic yet static page creation. The platform comes pre-configured with essential tools such as PostCSS, Tailwind CSS, TypeScript, ESLint, and Jest, ensuring a seamless development experience. ZippyStarter emphasizes search engine optimization by offering on-page SEO configurations and structured data out of the box. It includes a variety of page templates, home, landing, about, pricing, blog, category, and portfolio pages, along with a command-line interface for generating blog posts complete with metadata, featured images, and categories. The platform supports light and dark modes, automatically applied to all components, and provides a library of UI components.
    Starting Price: $49.50 one-time payment
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    Early

    Early

    EarlyAI

    Early is an AI-driven tool designed to automate the generation and maintenance of unit tests, enhancing code quality and accelerating development processes. By integrating with Visual Studio Code (VSCode), Early enables developers to produce verified and validated unit tests directly from their codebase, covering a wide range of scenarios, including happy paths and edge cases. This approach not only increases code coverage but also helps identify potential issues early in the development cycle. Early supports TypeScript, JavaScript, and Python languages, and is compatible with testing frameworks such as Jest and Mocha. The tool offers a seamless experience by allowing users to quickly access and refine generated tests to meet specific requirements. By automating the testing process, Early aims to reduce the impact of bugs, prevent code regressions, and boost development velocity, ultimately leading to the release of higher-quality software products.
    Starting Price: $19 per month
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    Rafter

    Rafter

    Rafter

    Rafter is a developer-friendly security scanning platform that lets you detect and address vulnerabilities in your GitHub repositories with a single click or command. It integrates seamlessly via a browser-based dashboard, CLI, or REST API to scan JavaScript, TypeScript, and Python code for a range of issues, including exposed API keys, SQL injection, XSS flaws, insecure dependencies, hardcoded credentials, and authentication weaknesses. Results are clearly categorized into “Errors,” “Warnings,” and “Improvements,” each offering detailed explanations, code locations, remediation steps, and formatted prompts ready to paste into AI coding assistants. You can view findings in JSON or Markdown, automate scans within CI/CD pipelines, and pull scan results directly into your workflows. Whether you prefer no-code, low-code, or full-code environments, Rafter adapts flexibly to your setup, making proactive security early in development effortless and scalable.
    Starting Price: $39
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    PureScript

    PureScript

    PureScript

    PureScript is a strongly typed, purely functional programming language that compiles JavaScript. It enables developers to build robust web applications, web servers, and mobile apps using functional programming techniques. PureScript offers features such as algebraic data types, pattern matching, row polymorphism, extensible records, higher-kinded types, type classes with functional dependencies, and higher-rank polymorphism. The language emphasizes strong static typing and pure functions, ensuring code reliability and maintainability. Developers can compile PureScript code into readable JavaScript, facilitating seamless integration with existing JavaScript codebases. The ecosystem includes an extensive collection of libraries, excellent tooling, and editor support with instant rebuilds. An active community provides numerous learning resources, including the PureScript book, which offers practical projects for beginners.
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    LoopBack

    LoopBack

    LoopBack

    A highly extensible Node.js and TypeScript framework for building APIs and microservices. A brand new LoopBack core to deliver great extensibility and flexibility written in TypeScript/ES2017. Create powerful APIs easily with a new creative experience for defining REST APIs and handling API requests/responses. A new, improved programming model with dependency injection and new concepts such as components, mixins, repositories, etc. make this the most extensible version yet. The LoopBack 4 CLI is a command-line interface that can scaffold a project or extension. The CLI provides the fastest way to get started with a LoopBack 4 project that adheres to best practices. LoopBack is a highly-extensible, open-source Node.js framework that enables you to create dynamic end-to-end REST APIs with little or no coding. Access data from major relational databases, MongoDB, SOAP, and REST APIs. Incorporate model relationships and access controls for complex APIs.
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    Grok Code Fast 1
    Grok Code Fast 1 is a high-speed, economical reasoning model designed specifically for agentic coding workflows. Unlike traditional models that can feel slow in tool-based loops, it delivers near-instant responses, excelling in everyday software development tasks. Built from scratch with a programming-rich corpus and refined on real-world pull requests, it supports languages like TypeScript, Python, Java, Rust, C++, and Go. Developers can use it for everything from zero-to-one project building to precise bug fixes and codebase Q&A. With optimized inference and caching techniques, it achieves impressive responsiveness and a 90%+ cache hit rate when integrated with partners like GitHub Copilot, Cursor, and Cline. Offered at just $0.20 per million input tokens and $1.50 per million output tokens, Grok Code Fast 1 strikes a strong balance between speed, performance, and affordability.
    Starting Price: $0.20 per million input tokens
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    Turborepo
    Turborepo is a high-performance build system optimized for JavaScript and TypeScript codebases that dramatically speeds up development and continuous integration by optimizing workflows with parallel task execution, intelligent scheduling, incremental builds, and remote caching so you never do the same work twice. It works with any package manager (npm, yarn, pnpm) and integrates with any CI provider, letting you start a new repository or incrementally migrate an existing one with minimal setup using a single turbo.json configuration that builds on your existing package.json scripts. Turborepo understands the relationships between tasks and packages, runs only affected tasks, and can share cached results across machines and team members, reducing build times significantly. Its core concepts include remote caching, efficient task and package graphs, and support for multiple package types in a monorepo, while guides show how to integrate with favorite frameworks and tooling.
    Starting Price: Free
  • 21
    AssemblyScript

    AssemblyScript

    The AssemblyScript Project

    A TypeScript-like language for WebAssembly. AssemblyScript targets WebAssembly's feature set specifically, giving developers low-level control over their code. Its similarity with TypeScript makes it easy to compile to WebAssembly without learning a new language. Integrates with the existing Web ecosystem - no heavy toolchains to set up. Simply npm install it! AssemblyScript is free and open source software released under the Apache License, Version 2.0, builds upon Binaryen and is based on the WebAssembly specification. It is brought to you by the following awesome people:
    Starting Price: Free
  • 22
    JSON Crack

    JSON Crack

    ToDiagram

    ​JSON Crack is an open source tool that transforms complex data formats, including JSON, YAML, CSV, XML, and TOML, into interactive, visually intuitive graphs, enhancing data comprehension and analysis. Users can input data directly, upload files, or provide URLs, and it automatically generates a visual tree graph. It supports data conversion between formats, such as JSON to CSV or XML to JSON, and includes features like JSON formatting, validation, and code generation for TypeScript interfaces, Golang structs, and JSON Schemas. Advanced tools are available for decoding JWTs, executing JQ queries, and performing JSON Path commands. Users can export visualizations as PNG, JPEG, or SVG files. All data processing occurs locally on the user's device, ensuring data privacy. ​
    Starting Price: Free
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    BaseRock AI

    BaseRock AI

    BaseRock AI

    BaseRock.ai is an AI-driven software quality platform that automates unit and integration testing, enabling developers to generate and execute tests directly within their preferred IDEs. It leverages advanced machine learning models to analyze codebases, producing comprehensive test cases that ensure optimal code coverage and quality. By integrating seamlessly into CI/CD pipelines, BaseRock.ai facilitates early bug detection, reducing QA costs by up to 80% and boosting developer productivity by 40%. Its features include automated test generation, real-time feedback, and support for multiple programming languages such as Java, JavaScript, TypeScript, Kotlin, Python, and Go. BaseRock.ai offers flexible pricing plans, including a free tier, to accommodate various development needs. It is trusted by leading enterprises to enhance software quality and accelerate feature delivery.
    Starting Price: $14.99 per month
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    NSwag

    NSwag

    Rico Suter

    NSwag is a comprehensive Swagger/OpenAPI 2.0 and 3.0 toolchain for .NET, .NET Core, ASP.NET Core, and TypeScript, written in C#. It enables developers to generate OpenAPI specifications from existing API controllers and create client code from these specifications. NSwag combines functionalities similar to Swashbuckle (for OpenAPI/Swagger generation) and AutoRest (for client generation) into a single toolchain, eliminating the need for both. Key features include the ability to generate Swagger 2.0 and OpenAPI 3.0 specifications from C# ASP.NET (Core) controllers, serve these specifications via ASP.NET (Core) middleware with integrated Swagger UI or ReDoc, and generate C# or TypeScript clients/proxies from the specifications. NSwag offers multiple usage methods, including a user-friendly Windows GUI (NSwagStudio), command-line interfaces compatible with Windows, Mac, and Linux, and integration into C# code via NuGet packages.
    Starting Price: Free
  • 25
    CodeQL

    CodeQL

    GitHub

    Discover vulnerabilities across a codebase with CodeQL, our industry-leading semantic code analysis engine. CodeQL lets you query code as though it were data. Write a query to find all variants of a vulnerability, eradicating it forever. Then share your query to help others do the same. CodeQL is free for research and open source. Run real queries on popular open source codebases using CodeQL for Visual Studio Code. See how powerful it is to discover a bad pattern and then find similar occurrences across the entire codebase. You can create CodeQL databases yourself for any project that's under an OSI-approved open source license. GitHub CodeQL can only be used on codebases that are released under an OSI-approved open source license, to perform academic research, or to generate CodeQL databases for or during automated analysis. Download and add the project’s CodeQL database to VS Code, or create a CodeQL database using the CodeQL CLI.
    Starting Price: Free
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    PHPStan

    PHPStan

    PHPStan

    ​PHPStan is an open source static analysis tool for PHP that identifies bugs in your codebase without the need for writing tests. It thoroughly scans your entire code, detecting both obvious and subtle issues, including those in rarely executed conditional statements that tests might not cover. By integrating PHPStan into your development environment and continuous integration pipelines, you can prevent bugs from reaching production. It is compatible with legacy codebases, even those lacking an autoloader, and facilitates gradual improvement through configurable rule levels. This approach allows developers to incrementally enhance code quality without being overwhelmed by numerous errors on the initial run. ​PHPStan supports advanced PHP features ahead of their official release, such as generics, array shapes, and checked exceptions, by leveraging PHPDocs. It also offers extensions for popular frameworks like Symfony, Laravel, and Doctrine, ensuring comprehensive understanding.
    Starting Price: Free
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    IntelliSense

    IntelliSense

    Microsoft

    IntelliSense is a general term for various code editing features including: code completion, parameter info, quick info, and member lists. IntelliSense features are sometimes called by other names such as "code completion", "content assist", and "code hinting." Visual Studio Code IntelliSense is provided for JavaScript, TypeScript, JSON, HTML, CSS, SCSS, and Less out of the box. VS Code supports word based completions for any programming language but can also be configured to have richer IntelliSense by installing a language extension. VS Code IntelliSense features are powered by a language service. A language service provides intelligent code completions based on language semantics and an analysis of your source code. If a language service knows possible completions, the IntelliSense suggestions will pop up as you type. If you continue typing characters, the list of members (variables, methods, etc.) is filtered to only include members containing your typed characters.
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    DeepSource

    DeepSource

    DeepSource

    DeepSource helps you automatically find and fix issues in your code during code reviews, such as bug risks, anti-patterns, performance issues, and security flaws. It takes less than 5 minutes to set up with your Bitbucket, GitHub, or GitLab account. It works for Python, Go, Ruby, and JavaScript. DeepSource covers all major programming languages, Infrastructure-as-Code, secrets detection, code coverage, and more. You won't need any other tool to protect your code. Start building with the most sophisticated static analysis platform for your workflow and prevent bugs before they end up in production. Largest collection of static analysis rules in the industry. Your team's central hub to track and take action on code health. Put code formatting on autopilot. Never let your CI break on style violations. Automatically generates and applies fixes for issues in a couple of clicks.
    Starting Price: $12 per user per month
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    Imaginary Programming

    Imaginary Programming

    Imaginary Programming

    Imaginary Programming lets you use OpenAI's GPT engine as a runtime to accomplish things you've never been able to do before in your code. All you do is define a function prototype in TypeScript (without an implementation!), and Imaginary Programming uses GPT to take care of the rest. Use Imaginary programming for any task where human-like intelligence around text is needed. You can install imaginary programming into your current JavaScript and TypeScript projects, or you can try the online Playground to experiment with Imaginary Programming.
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    Kottster

    Kottster

    Kottster

    ​Kottster is an open source, self-hosted Node.js admin panel that enables developers to create instant, customizable interfaces for managing database records. It supports databases, allowing users to connect their database and generate admin pages within minutes. It offers features like data viewing with pagination, sorting, filtering, and search capabilities; data management with options to add, edit, and delete records; and automatic detection of table relationships, including one-to-one, one-to-many, and many-to-many associations. Built on a modern tech stack comprising Node.js, React, Remix, Vite, Tailwind, and TypeScript, Kottster provides a smooth development experience. Developers can extend and customize the generated JavaScript and TypeScript code to fit specific project needs. It includes built-in authentication and user management, enabling role assignment, and access control for team collaboration.
    Starting Price: Free
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    CoreIDE

    CoreIDE

    CoreIDE

    CoreIDE is a full stack IDE for Java, JavaScript, Node.js and TypeScript developers who work on Spring, Spring Boot, React, Express, Vue, Backbone, AngularJS and other web framework based applications. The IDE is not only limited to web development, you can use it to develop other type of projects like desktop, command line, mobile or stand alone applications. It's free Community version contains all the available features. Java • JavaScript • Node.js • TypeScript • Spring • Spring Boot • React • Express • Vue • Backbone • AngularJS
    Starting Price: Free
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    Coverity Static Analysis
    Coverity Static Analysis is a comprehensive code scanning solution that enables developers and security teams to deliver high-quality software in compliance with security, functional safety, and industry standards. It effectively uncovers complex defects across extensive codebases, identifying and resolving code quality and security issues that span multiple files and libraries. Coverity supports compliance with a wide range of standards, including OWASP Top 10, CWE Top 25, MISRA, and CERT C/C++/Java, providing built-in reports to track and prioritize issues. With the Code Sight™ IDE plugin, developers receive real-time results, including CWE information and remediation guidance, directly within their development environment, facilitating the integration of security into the software development life cycle without compromising developer velocity.
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    Deno

    Deno

    Deno

    Deno is a simple, modern and secure runtime for JavaScript, TypeScript, and WebAssembly that uses V8 and is built in Rust. Deno comes with a manual which contains more in depth explanations about the more complex functions of the runtime, an introduction to the concepts that Deno is built on, details about the internals of Deno, how to embed Deno in your own application and how to extend Deno using Rust plugins. Next to the Deno runtime, Deno also provides a list of audited standard modules that are reviewed by the Deno maintainers and are guaranteed to work with a specific Deno version. These live in the denoland/deno_std repository.
    Starting Price: Free
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    CodeSee

    CodeSee

    CodeSee

    Quickly identify cross-code dependencies and navigate between files and folders. With insights to improve your understanding of the codebase and guide onboarding, planning, and reviews. Auto-generated, self-updating software architecture diagrams that sync to the codebase as your code evolves. With features to help you understand how files and folders are connected, see how a change fits into the larger architecture, and more. CodeSee Maps are automatically generated and updated every time a code change is merged, so you never have to worry about manually refreshing your Map. Using the Maps Insights panel, you can quickly visualize the most active areas of the codebase and get details on individual files and folders, including their age and how many lines of code they represent. Create visual walkthroughs of your code, using Tours to communicate ideal code paths, user flows, and more—and Tour Alerts will help you to ensure your Tours are always up to date.
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    Toolpad Core
    Toolpad Core is a self-hosted, low‑code internal tool builder tailored for full-stack and back-end developers, empowering them to craft admin interfaces, dashboards, and CRUD apps using drag‑and‑drop visuals while retaining full code control. Built on MUI's robust React component ecosystem, integrating MUI Core and X libraries, it offers a Postman‑like query builder for REST APIs, the ability to import custom React components, and smooth integration with Node.js backends, eliminating the need for boilerplate API wiring. Toolpad operates entirely locally, storing configuration in version-control–friendly files and giving developers the freedom to extend from low‑code prototypes to production‑grade features using JavaScript and TypeScript. With deep alignment to React, TypeScript, Next.js, and local IDE workflows, Toolpad bridges the gap between rapid UI assembly and maintainable, production-ready development.
    Starting Price: $180 per year
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    Moderne

    Moderne

    Moderne

    Reduce 1000s of hours of static code analysis fixes to minutes. Patch security vulnerabilities across 100s of repositories at once. Moderne automates code remediation tasks for you, enabling developers to deliver more business value all the time. Automatically make safe, sweeping changes to your codebase that improve the quality, security, and cost of code. Manage dependencies of your software supply chain, keeping software up to date continuously. Alleviate code smells automatically without all the scanning noise of SAST and SCA tools. Work in high-quality code all the time. Find and fix CVEs automatically across repositories, it's the ultimate shift left for security. The reality of modern applications is that they naturally accrue technical debt. They are composed of large and diverse codebases and ecosystems, and a supply chain of custom, third-party, and open-source software.
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    8base

    8base

    8base

    Backend-as-a-service for building and running enterprise-grade web and mobile applications using serverless and GraphQL. 8base also provides design and software development services to assist clients with full-lifecycle product development using the 8base Platform. Stop hacking together data sources, UI libraries and other application components. 8base enables frontend developers, designers, product managers and citizen-developers to collaborate to build powerful apps with basic JavaScript skills. Fully secure your API with role-based access controls down to the field and function level. Create custom JavaScript and TypeScript logic and run as 8base Serverless Functions. All CRUD operations are auto-generated, providing immediate API access to data. 8base provides simple data modeling for defining powerful data schemas. 8base automatically handles database provisioning, maintenance, scaling, replication and security.
    Starting Price: $25 per month
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    LintCode

    LintCode

    LintCode

    Coding Interview Question Online Training System. Focus on algorithm. No parsing input/output anymore. Industrial standard lint helps you write the most beautiful code. Step by step training. Coding for fun. Want more practises can filter by difficulty, algorithm and data structure? Check out our interview questions. LintCode has the most interview problems covering Google, Facebook, Linkedin, Amazon, Microsoft and so on. We provide Chinese and English versions of the challenges. Solve challenges such as: Implement an API to Access User Data, Implement Decorator with Parameters, Exception Handling, Implementing a shopping cart program, Replace the elements in a string, The number of the two numbers in the list whose sum is equal to n, Print out SMS verification code, Import a module and alias it, Importing a module, Search for a lecturer number, Print Zero, Even and Odd Number Interleave, Implement timer decorator, and many more.
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    The Code Registry

    The Code Registry

    The Code Registry

    The Code Registry is an AI-powered code intelligence and analysis platform that gives businesses and non-technical stakeholders full visibility into their software codebase, even if they don’t write code themselves. Upon connecting your code repository (GitHub, GitLab, Bitbucket, Azure DevOps, or uploading a zipped archive), the platform creates a secure “IP Vault” and runs a comprehensive automated analysis across your entire codebase. It produces a range of reports and dashboards, including a code-complexity score (revealing how intricate or maintainable your code is), open-source component analysis (detecting dependencies, license status, outdated or vulnerable libraries), security analysis (identifying potential vulnerabilities, insecure configurations or risky dependencies), and a “cost-to-replicate” valuation, estimating how much effort or resources it would take to rebuild or replace the software from scratch.
    Starting Price: $2 per month
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    Styleguidist

    Styleguidist

    Styleguidist

    Supports JavaScript, TypeScript and Flow Works with Create React App out of the box. Share components with your team, including designers and developers. See how components react to different props and data right in the browser. Find the right combination of props and copy the code. React Styleguidist is a component development environment with hot reloaded dev server and a living style guide that you can share with your team. It lists component propTypes and shows live, editable usage examples based on Markdown files.
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    Solid

    Solid

    Solid

    Solid is an AI-powered full-stack app builder that enables both technical and non-technical users to create, customize, and launch production-ready web applications, just as easily as making a TikTok. Unlike lightweight tools like Lovable or Base44 that generate superficial front-end facades, Solid delivers a complete, extendable codebase: a Node.js backend with Prisma ORM, a React + TypeScript frontend, and a seamlessly connected database, just like what professional developers use. You can import toy projects built with Lovable/Base44 and instantly transform them into robust, real apps that are scalable, transparent, and transferable. Solid supports deep customization; you own every layer (frontend, backend, data), allowing you to add complex business logic, REST or GraphQL APIs, and integrations effortlessly. It generates high-quality, inspectable code you can deploy anywhere, from Solid’s platform to your cloud, without vendor lock-in.
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    Konfig

    Konfig

    Konfig

    Konfig is a developer tool that automates the generation of SDKs, documentation, demos, and tutorials for REST APIs, facilitating seamless onboarding for external developers. By importing an OpenAPI Specification or Postman Collection, Konfig automatically produces SDKs in popular programming languages, including TypeScript, Python, Java, C#, PHP, Ruby, Go, Swift, and Dart. The platform ensures high-quality SDKs by identifying and rectifying errors in the OpenAPI Specification through its linter and writing test cases to prevent API updates from breaking existing SDKs. Konfig also generates branded, user-friendly documentation that auto-updates with any changes to the API specification, maintaining consistency between documentation and SDKs. Additionally, it allows for the creation of engaging demos and tutorials using familiar Markdown, enabling users to run code in-browser for hands-on learning.
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    Daytona

    Daytona

    Daytona

    Daytona is a cloud-native development runtime that enables developers and AI agents to instantly create, run, and manage isolated sandboxes for any codebase. Each sandbox runs inside a secure microVM with full Linux compatibility, networking, and persistent storage. Daytona provides SDKs in Python and TypeScript, allowing applications to programmatically execute code, run processes, upload files, or spin up environments dynamically. Teams use Daytona to replace complex local setups with reproducible cloud sandboxes that can be started in seconds and accessed through preview URLs, SSH, or APIs. It’s built for automation, observability, and scalability, powering everything from personal development environments to enterprise-grade agent runtimes.
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    Bytebase

    Bytebase

    Bytebase

    Bytebase offers a web-based collaboration workspace to help DBAs and developers manage the database development lifecycle. Standardize database changes with peer review, lint rules, and GitOps integration. Run ad-hoc SQL queries with built-in data privacy protection via web-based IDE. Eliminate administrative complexity and ensure compliance with holistic policy control. Bytebase streamlines database deployment from non-prod to prod with change review workflow and optional GitOps integration. 100+ lint rules to detect SQL anti-patterns and enforce consistent SQL style in the organization. Batch change to multiple databases across different environments and tenants in a single ticket. Reuse developer workflow and manage change scripts in VCS. Lockless schema change to reduce database downtime from hours to seconds. Bytebase employs a security-first approach to protect your data with access control, data anonymization, watermarking, audit log, and more.
    Starting Price: $100 per month
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    Rust

    Rust

    Rust

    Rust is blazingly fast and memory-efficient: with no runtime or garbage collector, it can power performance-critical services, run on embedded devices, and easily integrate with other languages. Rust’s rich type system and ownership model guarantee memory-safety and thread-safety — enabling you to eliminate many classes of bugs at compile-time. Rust has great documentation, a friendly compiler with useful error messages, and top-notch tooling — an integrated package manager and build tool, smart multi-editor support with auto-completion and type inspections, an auto-formatter, and more. Whip up a CLI tool quickly with Rust’s robust ecosystem. Rust helps you maintain your app with confidence and distribute it with ease. Use Rust to supercharge your JavaScript, one module at a time. Publish to npm, bundle with webpack, and you’re off to the races.
    Starting Price: Free
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    AutoRest

    AutoRest

    Microsoft

    The AutoRest tool generates client libraries for accessing RESTful web services. Input to AutoRest is a spec that describes the REST API using the OpenAPI specification format and streamlines the creation of client code across multiple programming languages, including C#, Java, Python, TypeScript, and Go. This automation enhances consistency and efficiency in API consumption, reducing the manual effort required to develop and maintain client libraries. AutoRest operates through a flexible pipeline that processes OpenAPI input files, transforming them into a code model which is then utilized by language-specific generators to produce client code adhering to each language's design guidelines. The tool supports both OpenAPI 2.0 and 3.0 specifications, ensuring compatibility with a wide range of APIs. Developers can install AutoRest on Windows, macOS, or Linux systems, with installation facilitated via Node.js.
    Starting Price: Free
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    Contentlayer

    Contentlayer

    Contentlayer

    Contentlayer is a content preprocessor that validates and transforms your content into type-safe JSON, which you can easily import into your application. It provides a seamless abstraction between your Markdown files or CMS and your application, allowing you to import and manipulate your content as data directly with JavaScript or TypeScript methods. This eliminates the need to learn new query languages or navigate complex APIs. Contentlayer ensures that your data is properly structured across your application by automatically generating type definitions and configurable data validations. It supports integration with various site frameworks and content sources, including MDX, Notion, and Sanity. By facilitating incremental and parallel builds, instant content live-reload, and scalability to handle thousands of documents, Contentlayer enhances both developer experience and application performance.
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    CodeLite

    CodeLite

    CodeLite

    CodeLite is a free, open-source, cross-platform Integrated Development Environment (IDE) designed primarily for C, C++, PHP, and JavaScript development. It offers a lightweight and highly customizable environment with support for multiple compilers, including GCC, Clang, and Microsoft Visual C++. CodeLite features an intuitive code editor with syntax highlighting, auto-completion, and code refactoring capabilities. It also includes an integrated debugger with support for GDB, making it easy to set breakpoints, inspect variables, and trace call stacks. Additionally, CodeLite supports Node.js and TypeScript development, making it a versatile choice for both desktop and web-based applications. Its flexibility, cross-platform compatibility (Windows, macOS, and Linux), and integration with popular version control systems like Git and Subversion make it a go-to IDE for developers seeking a lightweight alternative to more resource-intensive environments.
    Starting Price: Free
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    Extism

    Extism

    Dylibso

    Extism is an open-source, universal plug-in system to make all software programmable, and it's powered by WebAssembly. In-depth documentation, constantly updated as the project grows. 15+ officially supported Host SDKs, making Extism embeddable in the most popular languages. 7+ officially supported PDKs, to write plug-ins in whichever language a developer would like. A growing set of runtime features makes Extism an excellent plug-in system for apps of all types & sizes. Fully-featured canonical reference demo with Elixir host SDK, and plugins in Rust, TypeScript, & Javascript. Implementation of a turn-based multiplayer game platform and games included to play and review. Games are implemented as WebAssembly modules containing a specific set of exports. Check out the source code on GitHub, download the installer, and get started. 100% open-source code. Fork it, experiment, & run your own game server.
    Starting Price: Free
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    Mastra AI

    Mastra AI

    Mastra AI

    Mastra is a powerful TypeScript framework for building intelligent AI agents that can execute tasks, access knowledge bases, and maintain memory persistently within workflows. This framework simplifies the process of creating and deploying AI-powered agents by leveraging TypeScript’s capabilities to streamline development. With features like customizable agent instructions, memory, and task orchestration, Mastra provides developers with the tools to build and scale AI agents for various applications, from personal assistants to specialized domain experts.
    Starting Price: Free