Deus
A self-hosted personal AI assistant that indexes conversations into facts, rewrites its own system prompt based on what worked, and follows the user across messaging apps.
Deus breaks conversations into individual facts, indexes them by meaning, and builds a model of what the user cares about, so a question about something mentioned weeks earlier can be answered even without the original wording; the project reports 95 percent recall on the LongMemEval benchmark and support for non-Latin scripts such as Hebrew and Arabic. It scores its own responses, writes self-critiques, and adjusts its system prompt based on what worked, and carries context between sessions so a project can be picked back up later.
It runs in isolated containers on the user's own machine with no cloud sync, and connects to WhatsApp, Telegram, Slack, Discord and Gmail. Running it inside a project directory turns it into a coding assistant that already knows the user's preferences; an init step indexes the repository for code search, and a background agent scans for stale documentation and opens fix pull requests automatically.