Valdi is a cross-platform UI framework that delivers native performance without sacrificing developer velocity.

Collection of frontend challenges for learning and interviews

Example projects that demonstrate how to use Expo APIs and integrate Expo with other popular tools

Open Vision Agents by Stream. Build Vision Agents quickly with any model or video provider. Uses Stream's edge network for ultra-low latency.

Rich Text Editor for React Native

A code-push compatible OTA update server for React Native 🪂

A modern, performant map clustering library for React Native.

Relay is a JavaScript framework for building data-driven React applications.

ESLint plugin to follow best practices and anticipate common mistakes when writing tests with Testing Library

Algorithms resolution in Javascript. Leetcode - Geeksforgeeks - Careercup

A high-performance list component for React Native

Empower the Web community and invite more to build across platforms.

Staging repo for development of native port of TypeScript

🔮 Generate beautiful test data for chat

Generate string keys to store user-defined order of items in lists.

Redis Go client

A toolkit with common assertions and mocks that plays nicely with the standard library

Unstyled UI components for building accessible web apps and design systems. From the creators of Radix, Floating UI, and Material UI.

🔥 Insanely fast native C++, Swift or Kotlin modules with a statically compiled binding layer to JSI

Web browser engineering (a book)

❶ One is a new React framework - target web and native with a single Vite plugin and fully shared code, so you can ship cross-platform nearly as easy as single-platform.

⌨️ Keyboard manager which works in identical way on both iOS and Android

Top JavaScript interview questions and answers for Front End Engineers in 2025

List of 1000 JavaScript Interview Questions

🗜 JavaScript parser, mangler and compressor toolkit for ES6+

SQL Database Explorer [SQLite, libSQL, PostgreSQL, MySQL/MariaDB, ClickHouse, DuckDB, Microsoft SQL Server]

🚫💩 — Run tasks like formatters and linters against staged git files

💠 Speed up your Webpack with esbuild ⚡️

Efficient immutable updates, 2-6x faster than naive handcrafted reducer, and more than 10x faster than Immer.