Weekly · open-source AI · week 36, 2026
This week's trending open-source AI on GitHub — sepia, tokentab, my-free-code, and more: the newest, Hacker News talk, a subfield spotlight, and the fastest-rising, drawn out of the noise.
Newest this week
De-AI writing skill for Claude Code, Codex, Grok Build, and Antigravity — narrative-architecture repair for fiction, venue-matched rules for professional prose. Based on StoryScope (arXiv:2604.03136).
1,003 stars already
View on GitHub →A CLI that reads Claude Code, Codex, and Gemini CLI session logs and works out how much they cost, by model, project, and day.
Python · 436 stars already
View on GitHub →Open-source multi-provider AI gateway for Claude Code and other coding agents, with model routing, streaming, tools, reasoning, fallbacks, and local model support
Python · 416 stars already
View on GitHub →Talk of Hacker News
Stemdeck is an modern stem extraction platform for musicians,producers and hobbyists, designed to isolate vocals, drums, bass, piano and guitar for practice, transcription, remixing, and creative audio workflows through a modern and interactive interface
JavaScript · 241 points on HN
View on GitHub →The official Python library for the OpenAI API
Python · 209 points on HN
View on GitHub →Claude Code is an agentic coding tool that lives in your terminal, understands your codebase, and helps you code faster by executing routine tasks, explaining complex code, and handling git workflows - all through natural language commands.
Python · 193 points on HN
View on GitHub →Subfield spotlight
Local UI to run and train LLMs and diffusion models. Supports GGUF, MLX, Qwen3.8, Kimi K3, MiniMax-H3, Gemma 4, FLUX and more.
Python · 75,302 stars
View on GitHub →Unified Efficient Fine-Tuning of 100+ LLMs & VLMs (ACL 2024)
Python · 74,456 stars
View on GitHub →LlamaIndex is the leading document agent and OCR platform
Python · 51,928 stars
View on GitHub →Fastest-rising
Agent skill for beautiful, verifiable architecture, workflow, sequence, data-flow, and lifecycle diagrams—self-contained HTML with motion and crisp export.
HTML · +139 stars this week
View on GitHub →Prompt as Code | GPT-Image2
JavaScript · +61 stars this week
View on GitHub →The job search that runs on your machine. AI job application framework built on Claude Code: evaluate postings, tailor CVs, write cover letters, prep interviews. Fork it and own it.
Python · +34 stars this week
View on GitHub →Shipping hard
Orca is the ADE for working with a fleet of parallel agents. Run any coding agent with your own subscription. Available on desktop and mobile.
TypeScript · 211 commits this week
View on GitHub →A curated list of plugins for DeepSeek Harness (dsh) · DeepSeek Harness
Python · 67 commits this week
View on GitHub →Maka — local-first AI desktop assistant
TypeScript · 64 commits this week
View on GitHub →Get this every week — free newsletter.