Best open-source Python projects

A collection of 23 custom plugins for hermes-agent covering autonomy, model routing, observability, cost control, memory and inter-agent messaging.

A self-improvement add-on for Hermes Agent that analyzes session failures, patches weak skills, runs GEPA evolution, and reports progress.

A lightweight zipvoice-based text-to-speech model for voice cloning, generating 48kHz speech at up to 150x realtime on GPU.

An MCP server that connects Google Search Console to AI assistants so SEO data can be analyzed through natural language.

An AI agent skill that searches Reddit, X, YouTube, Hacker News, Polymarket and the web for a topic from the last 30 days, then writes a grounded, source-cited brief.

A Claude Code skill that produces motion design videos from HTML, Playwright and ffmpeg, with no After Effects or Remotion license needed.

A collection of Claude Code skills and plugins teaching Claude about Three.js, GSAP, React Three Fiber, Framer Motion, Babylon.js and other web 3D and animation libraries.

Self-hosted Chinese A-share data lake in Parquet with 55 daily-updated datasets, point-in-time semantics, and a read-only MCP server for AI agents.

A Python testing framework that makes it easy to write small tests and scales to complex functional testing of applications and libraries.

Open-source 5B-parameter text-to-image diffusion transformer with strong in-image text rendering and JSON layout control.

A marketplace of plugins, agents, skills and commands for Claude Code, Codex CLI, Cursor, OpenCode, Copilot and other AI coding tools.

Training, generation and utility scripts for Stable Diffusion and other image generation models, covering LoRA and fine-tuning.

A collection of file-based plugins that specialize Claude for knowledge-work roles like sales, legal, finance, and product management, built for Claude Cowork.

A Claude Code-based framework that runs a personal job search on your machine: evaluate postings, tailor CVs, write cover letters, and prep interviews.

A Blender plugin that lets an AI model drive a running Blender GUI over a direct TCP channel, with 16 tools for viewport capture, scene edits and headless jobs.

Open-source native vision-language models (NEO series) that process pixels and words in one encoder-free dense architecture, with 2B and 9B releases.

Self-hosted AI research assistant that runs deep, multi-step research with local or cloud LLMs and searches the web, academic databases and your own documents.

Open-source Python package that turns websites, PDFs, images, YouTube videos or topics into multilingual audio podcast conversations using GenAI.

Open-source large video generative models that create videos from text, images, speech, or character motion, with MoE and 720P options.

Open-source local music generation model that creates full songs from text, with editing tools like cover, repaint and stem separation.