Top WEB GitHub Repositories & Tools (2026)

An open-source framework for making universal native apps with React. Expo runs on Android, iOS, and the web.

Self-hosted family planner - tasks, calendars, shopping, meals, budget. Your data, your server.

A powerful, privacy-friendly open source web analytics tool that runs entirely on Cloudflare.

The Web framework for perfectionists with deadlines.

Open-source IDS/IPS, WAF and bot detection for Linux, Windows, Docker and Kubernetes, with a crowdsourced blocklist of malicious IPs.

A free, self-hostable news aggregator…

Ultra-lightweight, open-source, self-hosted personal AI agent framework in Python with WebUI, tools, memory, MCP, multi-agent workflows, automation, and chat apps

Fullstack app framework for web, desktop, and mobile.

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

JavaScript 3D Library.

Open Source Wealth Management Software. Angular + NestJS + Prisma + Nx + TypeScript 🤍

Grab your own cool'runs-on.dev' subdomain to use for free forever.

"rsync for cloud storage" - Google Drive, S3, Dropbox, Backblaze B2, One Drive, Swift, Hubic, Wasabi, Google Cloud Storage, Azure Blob, Azure Files, Yandex Files

Peer-to-peer LLM inference in the browser: pool your devices to run big open models, for chat and coding agents.

Fast and extensible multi-platform HTTP/1-2-3 web server with automatic HTTPS

A reactive notebook for Python — run reproducible experiments, query with SQL, execute as a script, deploy as an app, and version with git. Stored as pure Python. All in a modern, AI-native editor.

Stable Diffusion web UI

The best IP Toolbox. Check your IP address & geolocation, test IP for WebRTC and DNS IP leaks, run an IP quality check, browser fingerprint check, website availability check, network speed test, global latency test, MTR test, Whois search, and more.

Free, open-source MCP server that gives AI coding agents (Claude Code, Codex, Cursor, OpenCode, ZCode…) design inspiration from award-winning websites — search with real screenshots, pull design DNA, capture and record live sites. A Mobbin alternative. No API key.