AI Assistants
Open-source AI assistants
13 of the 58 AI assistants in this directory are open source, according to their own sites.
All of them are free or have a free plan.
Listings checked up to Oct 9, 2026 · Where the facts come from
| Tool | Price | Free plan | Runs on |
|---|---|---|---|
| DeepSeekFree AI chat assistant built on DeepSeek's openly released models | Free | Free | Web, macOS, Windows, iOS, Android |
| LumoProton's private AI assistant with zero-access encrypted chats | Free plan · from $9.99/mo | Yes | Web, iOS, Android |
| HuggingChatHugging Face's open-source chat app for open AI models | Free plan · from $9/mo | Yes | Web |
| JanOpen-source desktop app for running local and cloud AI models | Free | Free | macOS, Windows, Linux |
| AnythingLLMOpen-source AI app for documents, agents and local models | Free plan · from $50/mo | Yes | Web, macOS, Windows, Linux, Android |
| LibreChatOpen-source, self-hosted chat interface for many AI providers | Free | Free | Web |
| Cherry StudioOpen-source desktop AI client for 50+ model providers | Free plan | Yes | macOS, Windows, Linux, iOS, Android |
| ChatboxAI chat client for your own API keys or a hosted model plan | Free plan · from $3.50/mo | Yes | Web, macOS, Windows, Linux, iOS, Android |
| Big-AGIMulti-model AI workspace that compares and merges answers | Free plan · from $9/mo | Yes | Web |
| NextChatLightweight open-source AI chat client you can self-deploy | Free plan | Yes | Web, macOS, Windows, Linux, iOS |
| PocketPal AIOpen-source app for running AI models offline on phones and tablets | Free plan · from $0.99 one-time | Yes | iOS, Android |
| PyGPTOpen-source desktop AI assistant with agents, RAG and local models | Free | Free | macOS, Windows, Linux |
| Maple AIEnd-to-end encrypted AI chat that runs open models in enclaves | Free plan · from $20/mo | Yes | Web, macOS, Windows, Linux, iOS, Android |
Common questions
Which AI assistants are open source?
13 of the 58 AI assistants in this directory are open source, according to their own sites. They are DeepSeek, Lumo, HuggingChat, Jan, AnythingLLM, LibreChat, Cherry Studio, Chatbox, Big-AGI, NextChat, PocketPal AI, PyGPT and Maple AI.
When was this checked?
Each listing shows its own date. On this page they run from Oct 5, 2026 to Oct 9, 2026. Vendors change prices and plans without notice, so confirm on their site before you buy.
This page is built from the listings. A tool is here because its listing says so, and each listing names the pages it was read from.