Pet GitHub Repositories (2026) · Open Source Tools

Write HTML. Render video. Built for agents.

Best headless browser for AI agents. Lite, Fast, High-Compatibility. Built in Rust

Self-hosted iOS & Android simulator streaming for the whole team

All Algorithms implemented in Python

A pixel desktop pet that watches Claude Code, Codex, Cursor & other AI coding agents — so you don't have to.

A cute, lightweight desktop companion for Linux that idles, reacts, sleeps, and hangs out while you work.

Chrome DevTools for coding agents

Coding articles to level up your development skills

Render OG images and paged PDFs from JSX, HTML, and CSS. No headless browser. Runs on Node.js, Cloudflare Workers, browsers, and Rust.

Crawlee—A web scraping and browser automation library for Node.js to build reliable crawlers. In JavaScript and TypeScript. Extract data for AI, LLMs, RAG, or GPTs. Download HTML, PDF, JPG, PNG, and other files from websites. Works with Puppeteer, Playwright, Cheerio, JSDOM, and raw HTTP. Both headful and headless mode. With proxy rotation.

❤️ Fredy - [F]ind [R]eal [E]state [D]amn Eas[y] - Fredy keeps searching for new apartments, houses, and flats in Europe on platforms like ImmoScout24, Immowelt, eBay Kleinanzeigen and instantly delivers the results to you via Slack, Telegram, Email, Discord or ntfy, so you can focus on the more important things in life ;)

an application that automates the lifecycle of servers

A visual multi-agent desktop for Codex: live tasks, shared projects, isolated Missions, and OpenCodex models on Windows.

Automate browser based workflows with AI

Forme is a document engine for JavaScript, written in Rust and compiled to WASM. Render the HTML and print CSS you already have, or author React, Svelte, Vue, and Preact components. Paginated PDFs in-process - no headless browser.

A free, open-source developer workspace. Snippets, notes, HTTP requests, calculations, and dev tools in one local-first app.

Any source (PDF, video, web, audio, text) to interactive learning package with quizzes, flashcards and spaced repetition. One command, 12-section study guide.

🐱 BongoCat — A cross-platform interactive desktop pet that brings fun to your desktop!

A cross-platform Codeforces desktop companion for personalized practice, contest review, training plans, and algorithm templates.

Make typesetting LaTeX as fast as handwriting through snippets, text expansion, and editor enhancements