Best Free Application Development Software - Page 2

Compare the Top Free Application Development Software as of December 2025 - Page 2

  • 1
    Appsmith

    Appsmith

    Appsmith

    Appsmith is an open-source low-code platform designed to help businesses rapidly build custom internal tools and applications. With a drag-and-drop interface and extensive integration capabilities, Appsmith simplifies the development of dashboards, admin panels, and CRUD applications. Developers can also customize functionality using JavaScript, while seamless integration with databases and APIs makes it highly versatile. It supports self-hosting and enterprise-grade security features such as role-based access controls, audit logging, and SOC 2 compliance, making it suitable for organizations of all sizes. Appsmith's AI-powered agent platform enables businesses to build custom conversational agents tailored to their specific needs. These agents can be embedded into various business workflows, enhancing support, sales, and customer success teams. By leveraging data-driven AI, the platform automates tasks and scales operations efficiently.
    Starting Price: $0.4/hour/user
  • 2
    VIKTOR

    VIKTOR

    VIKTOR

    Build and distribute any web application you can imagine. VIKTOR is the development platform for the engineering and construction industry. Empower your organisation to build and distribute scalable applications. Enter into a new era in engineering. Use our digital building blocks to rapidly create professional web-based applications and share them with everyone you want. VIKTOR is the most used application development platform in the engineering and construction industry. It enables engineers to quickly build their own software solutions and share them with everyone. Engineers and other domain experts know your business best. Create an agile organization by empowering them to adopt new technologies and rapidly create, test, distribute, and scale new software solutions according to their needs. This results in better solutions, high adoption rates, and lower development costs.
    Starting Price: 0/per month/user
  • 3
    Xojo

    Xojo

    Xojo

    The object-oriented Xojo programming language and cross-platform rapid application development tool let you develop native applications for macOS, Windows, Linux, the web, iOS and Raspberry Pi. User interfaces are quickly and intuitively made with drag and drop and the modern framework supports features like graphics, database servers and internet protocols. Xojo abstracts you from the platform details allowing you to focus your time and energy on what makes your app unique. Xojo is free to use for learning and development.
    Starting Price: $99.00/user
  • 4
    Pusher Channels
    Pusher Channels is a hosted API which allows you to quickly and easily bring rich realtime features to your apps; from dashboards to gaming, collaborative editing, live maps and more, simplify your stack and simply integrate Pusher’s managed WebSocket connections to build the features your users expect into any web or mobile app. Whenever something changes in your system a single API call to Channels will prompt a WebSocket update so that you can instantly update the UI in your users’ apps. Whether you have one connection or millions, ultra-low latency with automatic fallback means Channels works anywhere. Pusher delivers billions of messages every month across browsers, mobile and IoT with the event-based API. Pusher manages and scales the realtime infrastructure, as a reliable and cost-effective alternative to building, maintaining and scaling in-house, so you can concentrate on your product.
    Starting Price: $49
  • 5
    Conholdate.Total for Java
    Conholdate.Total for Java includes all file format Java APIs as a single suite that are offered by Aspose & GroupDocs. It enables software developers to build an incredibly versatile file processing system capable of handling many popular file formats and performs a wide range of document handling operations from within their own Java (J2SE, J2EE, J2ME) applications. It fully supports features like creating, modifying, printing, displaying, viewing, annotating, comparing, automating, searching & converting between a wide range of popular document formats. Conholdate.Total for Java is built using managed code that does not need Microsoft Office or any other tool in order to work with any of the supported file formats. It is a perfect Microsoft Office automation alternative in terms of supported features, security, stability, scalability, speed and price. It is a perfect Microsoft Office automation alternative in terms of supported features, security, stability, scalability and speed.
    Starting Price: from US$ 4,999
  • 6
    PHP Tools

    PHP Tools

    DEVSENSE

    PHP development environment. Turn Visual Studio into a powerful PHP development environment. The PHP Editor colorizes your code according to Visual Studio settings, giving you a better overview in the colors you are used to. The colors respect Visual Studio conventions with support for dark, light and 3rd party themes. Detect type mismatches, typos, missing function parameters, unknown classes and functions as you type. Code analysis periodically checks your code for various issues and underlines them immediately. This avoids having to handle most of the issues in run-time. The IntelliSense feature provides you with smart, context-aware code completions, detailed tool tips and function parameter assistance. The feature contains a complete PHP manual, learns from your code and performs type analysis. Its purpose is to minimize the amount of key presses you have to do.
    Starting Price: $59/year/user
  • 7
    Hypi

    Hypi

    Hypi

    Hypi is a no-code and low-code web and mobile app development platform. The platform is simple enough for a non-technical user to build and launch applications but its underlying API is flexible enough for developers to customise any aspect. Deliver solutions 10x faster and scale on demand. The product is used by small startups and global enterprises alike who can choose the convenient cloud option or simple on-premise deployment. Access pre-made templates and smart suggestions, all from the marketplace. Creating screens doesn't mean building every single one from scratch. Link screen designs to your user stories. It keeps you on track with your goals, in line with your user’s needs. Control the visual consistency without manually editing every screen. Your design system perfected the way you envision it. Extend the editor with personal or external widgets. Anything to make your job easier.
    Starting Price: £14.99 per month
  • 8
    Jmix

    Jmix

    Haulmont Technology

    Discover a rapid application development platform that supercharges your digital initiatives without low-code limitations, vendor dependency, and usage-based fees. Jmix general purpose open architecture based on a future-proof technology stack is capable to support various digital initiatives across the organization. Jmix applications are indeed yours and can be supported independently thanks to open-source runtime utilizing mainstream technologies. Your data is secure with a server-side frontend development model and fine-grained access control. Any Java or Kotlin developer is a full-stack Jmix developer - you don’t need separate backend and frontend teams. Visual tools help onboard developers who have little experience or move from an obsolete stack. Jmix’s data-centric approach and single development language make it a natural fit to migrate legacy applications. Jmix supercharges your team with high-productivity tools and ready-to-use components.
    Starting Price: $45 per month
  • 9
    EiffelStudio

    EiffelStudio

    Eiffel Software

    EiffelStudio is an Integrated Development Environment (IDE) that provides comprehensive facilities to programmers. It offers a comprehensive suite of tools that enable programmers to produce correct, reliable, and maintainable software while keeping control of the development process. If you want to create fast, robust, scalable applications, then EiffelStudio™ will offer you a cost-effective solution. Imagine being able to model your system as you think – capturing your requirements and your thought processes with EiffelStudio. When ready to design, you build upon the model you just created, still with EiffelStudio. Then you implement with EiffelStudio. You never need to throw anything out and start over. You don’t need extra tools to go back and safely make changes in your architecture. Roundtrip engineering? It’s built in by design. Testing, metrics and productivity tools? They’re built in. EiffelStudio accommodates quickly and efficiently new thoughts and changes.
    Starting Price: $145/user/year
  • 10
    Mendix

    Mendix

    Mendix

    Mendix, a Siemens business and the global leader in enterprise low-code, is fundamentally reinventing the way applications are delivered in the digital enterprise. With the Mendix platform, enterprises can ‘Make with More,’ by broadening their development capability to conquer the software development bottleneck; ‘Make it Smart,’ by making apps with rich native experiences that are intelligent, proactive, and contextual; and ‘Make at Scale,’ to modernize core systems and build large app portfolios. The Mendix platform is built to promote intense collaboration between business and IT teams and dramatically accelerate application development cycles while maintaining the highest security, quality, and governance, in short, to help enterprises leap into their digital futures. The Mendix platform has been adopted by more than 4,000 leading companies around the world including Conoco Phillips, Business Development Bank of Canada, Post NL, Continental, Zurich Insurance, and
  • 11
    Smart GWT

    Smart GWT

    Isomorphic Software

    Smart GWT combines the industry’s richest set of GWT UI components with a powerful Java server framework to deliver an end-to-end solution for building enterprise web applications. Using Google Web Toolkit, developers can create modern HTML5/Ajax interfaces entirely in Java, producing optimized JavaScript that runs in the browser for instant responsiveness and fewer server round-trips. Smart GWT is also AI native, extending its proven architecture with AI-enhanced components for intelligent filtering, summarization, and natural-language data exploration. Developers can integrate SmartClient AI features such as Answer Engine, AI Report Builder, and Instant UI to accelerate development and deliver smarter user experiences. Device-aware components automatically adapt to mobile, tablet, and desktop environments for consistent performance across all platforms.
    Starting Price: $745 per developer
  • 12
    Backtrace

    Backtrace

    Backtrace

    Don’t let app, device, or game crashes get in the way of a great experience. Backtrace takes all the manual labor out of cross-platform crash and exception management so you can focus on shipping. Cross-platform callstack and event aggregation and monitoring. Process errors from panics, core dumps, minidumps, and during runtime across your stack with a single system. Backtrace generates structured, searchable error reports from your data. Automated analysis cuts down on time to resolution by surfacing important signals that lead engineers to crash root cause. Never worry about missing a clue with rich integrations into dashboards, notification, and workflow systems. Answer the questions that matter to you with Backtrace’s rich query engine. View a high-level overview of error frequency, prioritization, and trends across all your projects. Search through key data points and your own custom data across all your errors.
  • 13
    Stadium

    Stadium

    Twenty57

    Stadium allows you to rapidly build and host web applications using a drag and drop interface. It is a versatile developer tool that easily connects to databases and APIs to quickly produce data-rich web applications.
    Starting Price: $19 per month
  • 14
    Entando

    Entando

    Entando

    Entando is the lightest open source Digital Transformation Platform for Modern Applications. We help customers bring to production enterprise applications that are lightweight, cloud native, and highly customized, and do so significantly faster than their competitors. Our platform harmonizes user experience across enterprise omnichannel applications, accelerating time to market, and increasing development efficiency.