freeCodeCamp.org's open-source codebase and curriculum. Learn math, programming, and computer science for free.

Interactive roadmaps, guides and other educational content to help developers grow in their careers.

Visual Studio Code

Fair-code workflow automation platform with native AI capabilities. Combine visual building with custom code, self-host or cloud, 400+ integrations.

Generation of diagrams like flowcharts or sequence diagrams from text in a similar manner as markdown

A progressive Node.js framework for building efficient, scalable, and enterprise-grade server-side applications with TypeScript/JavaScript 🚀

Realtime application framework (Node.JS server)

Joplin - the privacy-focused note taking app with sync capabilities for Windows, macOS, Linux, Android and iOS.

Next-generation ORM for Node.js & TypeScript | PostgreSQL, MySQL, MariaDB, SQL Server, SQLite, MongoDB and CockroachDB

ORM for TypeScript and JavaScript. Supports MySQL, PostgreSQL, MariaDB, SQLite, MS SQL Server, Oracle, SAP Hana, WebSQL databases. Works in NodeJS, Browser, Ionic, Cordova and Electron platforms.

Immutable persistent data collections for Javascript which increase efficiency and simplicity.

Backstage is an open framework for building developer portals

Jitsi Meet - Secure, Simple and Scalable Video Conferences that you use as a standalone app or embed in your web application.

📘 OpenAPI/Swagger-generated API Reference Documentation

Ember.js - A JavaScript framework for creating ambitious web applications

🪢 Open source LLM engineering platform: LLM Observability, metrics, evals, prompt management, playground, datasets. Integrates with OpenTelemetry, Langchain, OpenAI SDK, LiteLLM, and more. 🍊YC W23

Lit is a simple library for building fast, lightweight web components.

Selector library for Redux

Thunk middleware for Redux

Simple peer-to-peer with WebRTC.

Motion design editor for the web

A JavaScript library aimed at visualizing graphs of thousands of nodes and edges

A CLI tool for analyzing Claude Code/Codex CLI usage from local JSONL files.

The official MongoDB Node.js driver

Redis GUI by Redis

Runtime type system for IO decoding/encoding

Functional reactive programming library for TypeScript and JavaScript

Turbulenz is a modular 3D and 2D game framework for making HTML5 powered games for browsers, desktops and mobile devices.

Create structured, declarative and beautifully organized class-based controllers with heavy decorators usage in Express / Koa using TypeScript and Routing Controllers Framework.

A browser-based 3D CAD application for online model design and editing