# Octopus Computing > Open-source AI assistant for macOS and Windows that runs on your own machine. Features: open source; online / offline switch; works with open or cloud models; drag a GGUF model onto the window; chat and bot team; AI avatar; personal agents; connect to your phone with a QR code; runs on your machine; all context and memory for chat in memory.md; separate workspace for chat and bots. Install: macOS and Windows downloads from the home page. ## API Read-only JSON, no key needed, CORS open. - [Index](/api/index.json): site info + endpoint list - [app](/api/app.json) - [downloads](/api/downloads.json) - [support](/api/support.json) - [OpenAPI spec](/openapi.json) - [API catalog](/.well-known/api-catalog)