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Alternatives

ChatGPT.

Local and self-hosted chat UIs and runners that replace ChatGPT on your machine.

22 listedCatalog Sep 1, 2026

  1. Rank 1. llamafileSingle-file LLM runtime from Mozilla. Download, chmod, run.GitHub stars: 23k
  2. Rank 2. gptmeMIT terminal agent toolkit with code, shell, and web tools — local-model friendly.GitHub stars: 4k
  3. Rank 3. GPT4AllNomic’s local chat app and model catalog for laptops without a GPU.GitHub stars: 76k
  4. Rank 4. text-generation-webuiGradio UI for local models with loaders, LoRA, and extensions.GitHub stars: 45k
  5. Rank 5. FlowiseLow-code node UI on top of LangChain-style flows.GitHub stars: 44k
  6. Rank 6. llama.cppC/C++ runtime that made local GGUF models practical.GitHub stars: 87k
  7. Rank 7. AnythingLLMDesktop and server chat with documents, agents, and many backends.GitHub stars: 49k
  8. Rank 8. KhojSelf-hostable AI second brain that searches your notes, docs, and the web.GitHub stars: 37k
  9. Rank 9. Open WebUISelf-hosted chat UI that sits on Ollama, OpenAI, or a local runner.GitHub stars: 111k
  10. Rank 10. exoLink everyday devices into one cluster and run models too big for any single machine.GitHub stars: 47k
  11. Rank 11. PocketPal AIRun small GGUF chat models fully offline on iOS and Android.GitHub stars: 8k
  12. Rank 12. KoboldCppOne-file llama.cpp build with a built-in chat UI aimed at offline storytelling.GitHub stars: 12k
  13. Rank 13. shell_gptCLI that runs an LLM as a shell command for scripts, refactors, and answers.GitHub stars: 12k
  14. Rank 14. DifyVisual LLM app builder with RAG, agents, and a backend.GitHub stars: 118k
  15. Rank 15. JanDesktop ChatGPT-style app that runs models locally.GitHub stars: 38k
  16. Rank 16. RAGFlowOpen-source RAG engine with deep document understanding.GitHub stars: 65k
  17. Rank 17. SurfSenseOpen NotebookLM-style researcher that crawls the live web and chats with your files.GitHub stars: 16k
  18. Rank 18. OllamaLocal model runner with a one-line CLI and a REST API.GitHub stars: 152k
  19. Rank 19. Open InterpreterNatural-language computer use that runs code locally.GitHub stars: 61k
  20. Rank 20. PrivateGPTApache-2.0 local RAG API layer for chatting with private documents offline.GitHub stars: 58k
  21. Rank 21. kotaemonApache-2.0 document chat with visible citations and RAG evaluation built in.GitHub stars: 26k
  22. Rank 22. QuivrSecond-brain RAG server with an API and client libraries for your own app.GitHub stars: 40k