Open Source AI Chatbots

All apps in Open Source AI Chatbots category. Use the filters below to narrow down your search. 
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  1. HuggingChat icon
     176 likes

    An open-source AI chatbot for tasks like code writing, email drafting in a privacy-friendly, ad-free interface, often requiring no sign-up.

    HuggingChat screenshot 1
    210 alternatives
    4.6
    Excellent19 reviews
  2. DeepSeek icon
     92 likes

    DeepSeek is an advanced AI designed to assist with answering questions, solving problems, and providing insights through natural, conversational interactions.

    • AI Chatbot
    • FreemiumOpen Source
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    DeepSeek screenshot 1
    126 alternatives
    3.5
    Good11 reviews
  3. Lumo by Proton icon
     69 likes

    Privacy-first AI assistant with zero-access encryption, no logging or profiling, open-source code, and user-controlled conversations, subject to GDPR regulations.

    • AI Chatbot
    • FreemiumOpen Source
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • F-Droid
    Lumo by Proton screenshot 1
    85 alternatives
    3.6
    Good11 reviews
  4. Ollama icon
     114 likes

    Facilitates local deployment of Llama 3, Code Llama, and other language models, enabling customization and offline AI development. Perfect for creating personalized AI chatbots and writing tools.

    Ollama screenshot 1
    60 alternatives
  5. GPT4ALL icon
     124 likes

    An ecosystem of open-source chatbots trained on a massive collections of clean assistant data including code, stories and dialogue.

    • AI Chatbot
    • FreeOpen Source
    • Mac
    • Windows
    • Linux
    • Flathub
    GPT4ALL screenshot 1
    175 alternatives
    4.0
    Very Good8 reviews
  6. AnythingLLM icon
     40 likes

    A multi-user ChatGPT for any LLMs and vector database. Unlimited documents, messages, and storage in one privacy-focused app. Now available as a desktop application!.

    • AI Chatbot
    • FreeOpen Source
    • Mac
    • Windows
    • Self-Hosted
    • Docker
    • Linux
    AnythingLLM screenshot 1
    152 alternatives
  7. LibreChat icon
     37 likes

    LibreChat is a free, open source AI chat platform. This Web UI offers vast customization, supporting numerous AI providers, services, and integrations. Serves all AI Conversations in one place with a familiar interface, innovative enhancements, for as many users as you need.

    • AI Chatbot
    • FreeOpen Source
    • Self-Hosted
    • Docker
    • npm
    LibreChat screenshot 1
    98 alternatives
  8. Scira icon
     25 likes

    Scira (Formerly MiniPerplx) is a minimalistic AI-powered search engine that helps you find information on the internet. Powered by Vercel AI SDK! Search with models like Grok 2.0.

    • AI Chatbot
    • FreemiumOpen Source
    • Online
    • Self-Hosted
    • Docker
    Updated screenshot, from GitHub repository.
    13 alternatives
  9. Apertus icon
     22 likes

    As a fully open language model, Apertus allows researchers, professionals and enthusiasts to build upon the model and adapt it to their specific needs, as well as to inspect any part of the training process.

    Apertus screenshot 1
    61 alternatives
  10. SurfSense icon
     18 likes

    Highly customizable AI research agent just like NotebookLM / Perplexity / Glean, connected to external sources such as search engines (Tavily), Slack, Notion, YouTube, GitHub and more.

    SurfSense screenshot 1
    50 alternatives
  11. Khoj icon
     37 likes

    Khoj is an open-source AI second brain that learns from your notes (Obsidian, EMACS), documents, and has access to the internet. It can replace your search engine, help you with reading papers, and get you transparent, fast answers.

    chat with an image, see references
    169 alternatives
  12. fullmoon icon
     16 likes

    The simplest way to use private LLMs: Works fully offline and private when you don’t have internet. Runs models on-device optimized for Apple silicon.

    • AI Chatbot
    • FreeOpen Source
    • Mac
    • iPhone
    • iPad
    • visionOS
    fullmoon screenshot 1
    57 alternatives
  13. Private GPT icon
     32 likes

    Ask questions to your documents without an internet connection, using the power of LLMs. 100% private, no data leaves your execution environment at any point. You can ingest documents and ask questions without an internet connection!

    Private GPT screenshot 1
    228 alternatives
  14. Maid (AI) icon
     11 likes

    Maid is a cross-platform Flutter app for interfacing with GGUF / llama.cpp models locally, and with Ollama and OpenAI models remotely.

    • AI Chatbot
    • FreeOpen Source
    • Mac
    • Windows
    • Linux
    • Android
    • Android Tablet
    • F-Droid
    Maid (AI) screenshot 1
    Maid (AI) screenshot 2
    Maid (AI) screenshot 3
    46 alternatives
  15. Newelle icon
     12 likes

    Customizable virtual assistant with voice chat, web search, document interaction, file management, extension support, and flexible AI model options.

    Newelle screenshot 1
    51 alternatives