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SillyTavern

Self-hosted LLM chat frontend for power users, with characters and many backends.

BYO KEYOpen sourceSelf-hostWebWindowsmacOSLinuxAndroid

A self-hosted, browser-based LLM frontend aimed at power users, with rich character cards, prompt control, extensions, and group chats. It runs as a local Node.js server on Windows, macOS, Linux, and Android (via Termux), connecting to many backends — OpenAI, Anthropic, plus local runtimes — using your own keys. Free and AGPL-3.0 licensed with no paid tier.

Model support

Multi-model

Connects to many LLM backends (OpenAI, Anthropic, local runtimes) via your own keys.

Where it runs

  • Web
  • Windows
  • macOS
  • Linux
  • Android

Tags

  • #open-source
  • #self-hosted
  • #chat
  • #local
  • #llm-frontend
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