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otaku icon

otaku

otaku is a free, open-source (MIT) LLM frontend for roleplay that runs locally and offers 2 interfaces - web UI and terminal. It works on macOS, Linux and Windows, with local model servers — llama.cpp, KoboldCpp, Ollama, LM Studio, oMLX — and with OpenRouter and NanoGPT, and...

Web UI

Cost / License

  • Free
  • Open Source (MIT)

Application type

Platforms

  • Mac
  • Linux
  • Windows
Terminal UI
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Features

Properties

  1.  Privacy focused
  2.  Support for Themes
  3.  Lightweight
  4.  AI-Powered

Features

  1.  No registration required
  2.  No Coding Required
  3.  Dark Mode
  4.  Syntax Highlighting
  5.  No Tracking
  6.  Ad-free
  7.  Command line interface
  8.  Works Offline
  9.  AI Chatbot

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AI Tools & Services, OS & Utilities

GitHub repository

  •  76 Stars
  •  7 Forks
  •  17 Open Issues
  •   Updated  
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What is otaku?

otaku is a free, open-source (MIT) LLM frontend for roleplay that runs locally and offers 2 interfaces - web UI and terminal. It works on macOS, Linux and Windows, with local model servers — llama.cpp, KoboldCpp, Ollama, LM Studio, oMLX — and with OpenRouter and NanoGPT, and needs no infrastructure: no server, no node or docker. It installs with one command.

Stories can be branched from any message. While you play, a background pass extracts lore — scene summaries, characters and a journal per character — and the context sent to the model keeps the first and the most recent messages verbatim with scene summaries in between; nothing is injected by trigger words, and the /context command shows exactly what the model receives. Character cards (SillyTavern PNG/JSON) import into any story; SillyTavern chats and plain-text files import as stories. Encryption at rest is one setting away.