Self-hosted Chat UI
Short answer: Open-source Chat UI tools you can self-host.
Last updated: · No tax figures on this site, so no GOV.UK check applies; tool details come from each project's public GitHub repository · Markdown version
Open WebUI: ChatGPT-style interface for local and API models.
LibreChat: Multi-provider chat UI with agents.
Jan: Offline ChatGPT alternative desktop app.