Hob is an MIT-licensed desktop app that works on your files like Claude Cowork, with the model on your machine
Shown on HN Oct 26, Hob runs open-weight models (Gemma 4, gpt-oss) through llama.cpp on Mac, Windows or Linux, picks one for your hardware, and can read and edit a folder, look at images, add MCP connectors and run Python in a sandbox that only writes to the chat's folder with no network unless asked. Only web search and MCP connectors you add go online, and one tester notes it pulled about 18 GB of models with no cleanup yet.