Top Python Repositories
The most popular Python repositories on GitHub, ranked by stars, forks, and contributors.
A comprehensive, open-source guide to mastering large-scale system design. Covers scalability, CAP theorem, databases, caching, load balancing, and more, with real-world architectures, interview questions with solutions, and Anki flashcards for effective spaced-repetition learning.
vinta / awesome-python
A curated list of awesome Python frameworks, libraries, software and resources. Covers web frameworks, data analysis, machine learning, testing, and more.
A self-improving AI agent by Nous Research with a built-in learning loop — it creates skills from experience, autonomously improves them during use, and deepens a user model across sessions. Connect via CLI, Telegram, Discord, Slack, WhatsApp, or Signal. Supports 300+ models (OpenAI, Anthropic, Gemini, etc.), 40+ tools, cron scheduling, subagent delegation, and runs anywhere from a $5 VPS to serverless GPU clusters.
TheAlgorithms / Python
A comprehensive collection of algorithms implemented in Python for educational purposes. Covers sorting, searching, data structures, machine learning, cryptography, and more to help developers learn and understand algorithmic concepts.
yt-dlp / yt-dlp
yt-dlp is a feature-rich command-line audio/video downloader supporting thousands of sites. A fork of youtube-dl, it offers enhanced performance, format sorting, SponsorBlock integration, and support for extracting content from YouTube, Bilibili, TikTok, and more.
microsoft / markitdown
Microsoft's lightweight Python tool that converts PDF, Word, Excel, PowerPoint, images, audio, HTML, and more into Markdown — preserving headings, tables, and links. Designed for LLM and RAG pipelines, with CLI/Python API, MCP server for AI agents, plugin extensibility, and optional Azure cloud and LLM-powered OCR.
anthropics / skills
A collection of official Agent Skills for Claude, demonstrating how to extend Claude's capabilities with reusable instructions, scripts, and resources. Includes examples for creative design, development, enterprise workflows, and document creation (PDF, DOCX, PPTX, XLSX), along with templates and the Agent Skills specification.
HelloGitHub is a monthly publication sharing interesting and beginner-friendly open-source projects on GitHub. Updated on the 28th of each month, it features practical projects, tutorials, books, and enterprise-level projects across multiple programming languages, helping developers quickly discover the charm of open source.
Transformers is Hugging Face’s standard framework for state-of-the-art machine learning across text, vision, audio, and multimodal tasks. It provides a unified API for inferring, fine-tuning, and training over a million pretrained models, seamlessly integrating with PyTorch, JAX, and modern inference ecosystems.
langgenius / dify
Dify is an open-source platform for developing LLM applications. It combines agentic AI workflows, RAG pipelines, agent capabilities, model management, and observability features to help you quickly move from prototype to production.
langflow-ai / langflow
Langflow is a powerful platform for building and deploying AI-powered agents and workflows. It offers a visual builder, API/MCP server deployment, multi-agent orchestration, and supports all major LLMs and vector databases.
langchain-ai / langchain
LangChain is a framework for building agents and LLM-powered applications. It helps chain together interoperable components and third-party integrations to simplify AI application development while future-proofing decisions as technology evolves.
github / spec-kit
An open-source toolkit for Spec-Driven Development that puts specifications at the center of AI-assisted coding. Define what to build before building it — through structured phases (Spec → Plan → Tasks → Implement) with built-in quality gates. Works with 30+ AI coding agents including Copilot, Claude, and Gemini, with no vendor lock-in. Extensible via 105+ community extensions, 22 presets, and role-based bundles. Cross-platform, offline-capable, and trusted by 200+ contributors with 106K+ GitHub stars.
Comfy-Org / ComfyUI
ComfyUI is a node-based visual AI engine and backend framework for generative AI. It converts complex image, video, audio, and 3D generation into modular workflows with precise parameter control, smart VRAM management, and API endpoints for production integration.