Top Welcoming Open-Source JavaScript Repositories

Neo.mjs is a self-evolving software organism: a professional end-to-end AI engineering team whose cross-model swarm inhabits live apps via Neural Link, Active Hybrid GraphRAG, DreamService, and self-healing loops.

Dezoomify is a web application to download zoomable images from museum websites, image galleries, and map viewers. Many different zoomable image technologies are supported.

Agent skills for Heptabase CLI.

Stemdeck is an modern stem extraction platform for musicians,producers and hobbyists, designed to isolate vocals, drums, bass, piano and guitar for practice, transcription, remixing, and creative audio workflows through a modern and interactive interface

Skill that audits and rewrites content to remove AI writing patterns. Use it with your favorite agents including Claude Code, OpenClaw, Codex, and Hermes.

Create Delight in 1.20.1!

🔥 基于大模型和 RAG 的智能问数系统，对话式数据分析神器。Text-to-SQL Generation via LLMs using RAG.

CLI security scanner built for the agentic era. Detects CI/CD misconfigs, agent permission risks, MCP tool injection, hardcoded secrets, and DMCA-flagged AI dependencies.

DIYbiosphere is an open-source project to collect Do-it-Yourself Biology (DIYbio) initiatives from all over the world

Open-source, local-first video editor where creators and AI agents edit the same real timeline.

Browser plugin for Linux to SSO on Microsoft Entra ID using a locally running microsoft identity broker (Intune).

A plugin for the Fastify webserver to autogenerate a Fastify configuration based on a OpenApi(v2/v3) specification.

Project Sidewalk web page

Speed-up HTTP requests with LRU cache.

Git-native, evidence-backed domain semantic layer for AI agents and human maintainers.

A selector-based html snapshot tool using Puppeteer or Playwright that sources sitemap.xml, sitemap-index, robots.txt, or arbitrary input

Meet Coco. A superintelligent agent framework powered by an advisory board of 389 world-class minds. Scale your AI assistant into a complete engineering department with 142 skills, 277 commands, and persistent state. Universal compatibility. Local privacy. Free and open source.

Run the pi coding agent as a service — triggered on demand, on a cron schedule, or by a GitHub or GitLab issue, comment or pull/merge request — in a container you control, with a durable queue, a spend cap, and a live admin panel.

Open-source AI browser agent for Chrome and Firefox (monorepo) 🧠

The Official Dropbox API V2 SDK for Javascript

Popular Simple Open Source Online Judge based on PHP/C++/MySQL/Linux for ACM/ICPC and NOIP training, with easy installation. 简单实用的开源OJ系统

The official Foundry VTT implementation of the Daggerheart system

Collection of userscripts for MusicBrainz, by various authors

ForgeDock — autonomous AI dev pipeline for Claude Code. GitHub as agent memory: issue in, PR out.

Eclipse Dirigible™ Project

D-bus protocol client and server for node.js written in native javascript

Highly effective, super-configurable, well-tested web page minifier (enhanced successor to HTML Minifier)

Self-hosted, invisible CAPTCHA that detects AI agents driving real browsers. GDPR, WCAG 2.2 AA, and EAA: no cookies, no third-party data sharing, and no visual or audio puzzle. With a false-positive budget enforced in CI. Proof of work, drop-in for Turnstile and reCAPTCHA.

http://firewalla.com

MCP server for Apple Notes - create, search, update, and manage notes via Claude and other AI assistants

TOTP & Forti Token for HarmonyOS Next

A simple utility to quickly replace contents in one or more files

🚀 Self-hosted photo sharing platform for photographers & events. Open-source alternative to PicDrop/Scrapbook with time-limited galleries, password protection, custom branding & no monthly fees. Built with React + Node.js 📸

Minimalistic app to track your mood within one pixel a day.

Powerful web graphics runtime built on WebGL, WebGPU, WebXR and glTF

Eventra is a comprehensive event management system that empowers organizers to create, manage, and track events seamlessly. Built with a modern tech stack featuring React frontend and Spring Boot backend, Eventra provides everything needed to run successful events from creation to post-event analytics.

👑 JavaScript ORM for MySQL, PostgreSQL, and SQLite.

Shower HTML presentation engine

The flexible and customizable camera tally light system

Platformatic Open Source monorepo!

A browser-based font editor

WordPress plugin: Provides the integration between WooCommerce and Google Analytics.

Fill, sign, merge, split, and extract PDFs from Claude Desktop and other MCP hosts. Maintained by the Open Document Alliance.

PostCSS plugin to reduce calc()

Turns a folder into a website

🔔 Notifications app for Nextcloud

Scala grammar for tree-sitter

MCP Server to manage a Wordpress CMS system.

:fire: :leaves: Easy and declarative mapping for ember