Top JS GitHub Repositories & Tools (2026)

A walkable first-person anime cel-shaded Japanese sakura station town, fully procedural in plain three.js

Appwrite® - complete cloud infrastructure for your web, mobile and AI apps. Including Auth, Databases, Storage, Functions, Messaging, Hosting, Realtime and more

Open Source Algo Trading Platform for Everyone

A free, browser-based editor for creating stunning screenshots and visuals. No signup, no watermarks.

Open-Source API Development Ecosystem • https://hoppscotch.io • Offline, On-Prem & Cloud • Web, Desktop & CLI • Open-Source Alternative to Postman, Insomnia

A declarative, simple, fast, and fun package for building command line tools in Go

Create beautiful applications using Go

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

Fast Rust-based bundler for the web with a modernized webpack API 🦀

AI Kanban & Development Environment. Orchestrate multiple agents, review changes, open PRs. Multi-provider, self-hostable, no telemetry.

The most popular Kubernetes Operator for PostgreSQL.

Agent skill for creative 3D visualization: turn an idea into a Three.js/Blender scene worth exploring. Claude Code + Codex plugin, 223 recipes, 440 knowledge records, 22 proved kits, 37 runnable studies.

Your Friendly Open-Source Gen-AI Platform

✨ The fundamental numerical library for JavaScript and TypeScript. ✨                   ⭐️ Star to support our work!

⚡️⚡️⚡️ Self-hosted collaborative bookmark manager to collect, read, annotate, and fully preserve what matters, all in one place.

The #1 AI Harness for Building Resumes, PDFs, Cover Letters & more, locally with 100+ LLMs support.

Fast and low overhead web framework, for Node.js

✨ Zero-config AI chat assistant. No API key needed — sign up and instantly chat with GPT-5, Claude 4, Gemini 2.5, DeepSeek & 100+ top models. Pay-as-you-go saves you more. Available on Web, iOS, macOS, Android, Linux, Windows.

Desktop app to download audio/video from hundreds of sites

Conductor is an event driven agentic workflow engine providing durable and highly resilient execution engine for applications and AI Agents