Feature-rich, self-hosted AI interface that integrates Ollama and OpenAI-compatible APIs, offers RAG, vector DB support, image tools, RBAC and observability.
150k stars21.9k forkslast commit Actively maintained
9 self-hosted Microsoft Copilot alternatives
Microsoft Copilot is an AI assistant integrated across Microsoft 365, Windows, Edge and other Microsoft apps. It uses generative models to draft and edit text, summarize content, answer questions, generate code snippets, and automate routine tasks using app context.
Alternatives to Microsoft Copilot
AnythingLLM is an all-in-one desktop and Docker app for chatting with documents using RAG, running AI agents, and connecting to local or hosted LLMs and vector databases.
65.3k stars7.2k forksMITlast commit Actively maintained
LibreChat is a self-hosted AI chat platform that supports multiple LLM providers, custom endpoints, agents/tools, file and image chat, conversation search, and presets.
42.5k stars8.8k forksMITlast commit Actively maintained
#4
Self-hostable personal AI 'second brain' for chat, semantic search, custom agents, automations and integration with local or cloud LLMs.
36.7k stars2.4k forksAGPL-3.0last commit Actively maintained
Open-source platform for AI chat, RAG, agents, and enterprise search across your team’s connected knowledge sources, compatible with hosted and local LLMs.
31.8k stars4.4k forkslast commit Actively maintained
#6
Leon is an open-source personal assistant that runs on your server, enabling privacy-focused automation through modular skills with text and optional voice interaction.
17.5k stars1.5k forksMITlast commit Actively maintained
Extension for Paperless‑ngx that uses OpenAI-compatible backends and Ollama to auto-classify, tag, index, and enable RAG-powered document chat and semantic search.
5.9k stars327 forksMITlast commit Actively maintained
Self-hosted private AI tools for chat and document Q&A, supporting local Ollama inference or OpenAI-compatible APIs, with built-in authentication and user management.
1.7k stars87 forksAGPL-3.0last commit Likely dormant
LLM-driven movie and TV recommendation web app that uses Sonarr/Radarr libraries and Plex/Jellyfin watch history to generate personalized suggestions.
1.1k stars20 forksMITlast commit Slowing down
What replacing Microsoft Copilot actually involves
Every option on this page is open source and free to run on your own hardware, so you own the data and there is no subscription to cancel. 7 of 9 shipped a commit in the last six months. Licences in this list: MIT, AGPL-3.0. In exchange you take on hosting, backups and updates yourself.
Browse everything in AI Interfaces (Chatbots, Agents, RAG Apps).
