Open Source JavaScript Projects
Discover 142 open source JavaScript repositories from GitHub, each with an analysis of what it does, key features, use cases and alternatives. JavaScript projects here are most often combined with Self Hosted, Developer Tools and Web App. Last updated October 4, 2026.
142 repositories · updated October 4, 2026
Socioboard-5.0: Manage and Analyze Social Media Accounts
Socioboard-5.0 is a social media management platform for coordinating accounts, publishing content, and reviewing analytics. It is aimed at teams and businesses that want a customizable platform for managing social media workflows.
daedalOS: Use a Desktop Environment in Your Browser
daedalOS recreates a desktop environment in the browser, with a file system, movable windows, and a broad collection of apps, emulators, and games. It suits people exploring browser-based computing or building a self-contained interactive desktop experience.
lemonai: Run a Self-Hosted AI Agent with a VM Sandbox
Lemon AI is a self-hostable agent for research, browsing, coding, and data analysis, with a Docker-based VM sandbox for code execution. It supports local and cloud language models, making it useful when you want control over deployment and data.
inferno: Build Fast React-Like User Interfaces
Inferno is a JavaScript library for building browser and server-rendered user interfaces with a React-like component model. Its compile-time and runtime optimizations target applications where rendering performance matters.
javascript-algorithms: Learn Algorithms and Data Structures in JavaScript
A JavaScript collection of algorithms and data structures, with explanations and further reading for each topic. Useful for learners reviewing computer science fundamentals, practicing implementations, and preparing for interviews.
BlockNote: Build Block-Based Rich Text Editors for React
BlockNote is an extensible, block-based rich text editor for React, built on ProseMirror and Tiptap. It suits teams adding a polished editing experience to an app, with support for nested blocks, menus, drag-and-drop, and real-time collaboration.
Installer: Make Windows 11 More Consistent
Rectify11 Installer applies system-file modifications and other changes intended to make Windows 11 more visually consistent. The repository describes the V3 installer, but advises against using it because V4 is a complete rewrite.
MiroTalk P2P: Simple, Secure, and Fast WebRTC Video Conferencing
MiroTalk P2P is a free, open-source WebRTC solution offering simple, secure, and fast real-time video conferences. It supports high-quality video up to 8K and 60fps, compatible with all browsers and platforms. This project is self-hostable and packed with features for diverse communication needs.
MyIP: Diagnose IP, Privacy, and Network Issues
MyIP is a self-hostable web toolbox for checking IP addresses, privacy leaks, connectivity, and network routes. It suits privacy-conscious users and administrators who want a broad set of diagnostics in one interface.
koodo-reader: Manage and Read Ebooks Across Devices
Koodo Reader is a cross-platform ebook library and reader for desktop, mobile, and web. It supports many document and comic formats, configurable reading tools, and optional sync and backup services for readers who want one library across devices.
cssql: Compile SQL-Like Stylesheets to CSS
CSSQL is an experimental language that models CSS selectors as tables and uses SQL-like commands to build and combine styles. Its Haskell transpiler converts CSSQL files into CSS, with a Node.js package for JavaScript projects.
whisper-web: Transcribe Speech in Your Browser
Whisper Web uses Transformers.js to run speech recognition in a browser. It suits people who want to try transcription without setting up a separate server, though browser support and performance may vary.