Top ACTION GitHub Repositories & Tools (2026)

Create web-based user interfaces with Python. The nice way.

PyMuPDF is a high performance Python library for data extraction, analysis, conversion & manipulation of PDF (and other) documents.

Polyglot document intelligence with a Rust core: extract text, metadata, images, tables, and structured data from 106 formats across 140 file extensions, plus code intelligence for 371 languages. Fifteen bindings, with CLI, REST API, and MCP server.

🔥 Official Firecrawl MCP Server - Adds powerful web scraping and search to Cursor, Claude and any other LLM clients.

Static analysis for GitHub Actions

Copy/paste detector for source code. 220+ languages, Rust engine, SARIF/HTML/badge reporters, GitHub Action, MCP server for AI agents.

GitHub Agentic Workflows

A set of abstractions extracted out of the Symfony components

High-performance C++ library for multiphysics and multibody dynamics simulations

Open-source SaaS Starter with User Roles, Organizations & Admin Panel. Built using Next.js 16, Better Auth, Drizzle, Neon, Fumadocs, Shadcn/ui, Stripe, Server Actions.

Free HTTP, HTTPS, SOCKS4 & SOCKS5 proxy list. ~22k proxies across 90+ countries, refreshed every 5 minutes from the ProxyScrape v4 API. TXT, JSON & CSV.

Generic abstractions related to caching

JetBrains Maple Mono: The free and open-source font fused with JetBrains Mono & Maple Mono

Fluid, elastic data abstraction and acceleration for BigData/AI applications in cloud. (Project under CNCF)

GitHub Action for running Cypress end-to-end & component tests

Free/Libre Action Roleplaying Engine (engine only)

Collection of RSpec/MiniTest matchers and Cucumber steps for testing email in a ruby app using ActionMailer or Pony

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

Free open-source extractor for AI coding assistant chat histories. Supports Claude Code, Cursor, Windsurf, Aider, Cline/Roo Code, and more.

✎ Distraction-free notes and writing