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Open Source AI Chat Interfaces using PostHog

A curated collection of the best open source user interfaces for chatting with various AI models. using PostHog.

One interface for every AI model you run or connect
  • Stars


    153,109
  • Last commit


    14 hours ago
  • License


    BSD-3-Clause
Self-hosted AI platform that connects local and cloud models, extends with Python, and keeps your data under your control.

Open Source Alternative to:

Manage, build, and run AI agent teams around the clock
  • Stars


    82,814
  • Last commit


    11 hours ago
  • License


    Unknown
A collaborative platform to create, schedule, and operate AI agents that handle long-running tasks, team workflows, and automated jobs without constant oversight.

Open Source Alternative to:

Chat with your documents using any LLM, fully private
  • Stars


    66,443
  • Last commit


    18 hours ago
  • License


    MIT
A desktop and self-hostable AI app for chatting with documents, running local LLMs, and using AI agents without writing code or creating an account.

Open Source Alternative to:

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Jan

AI
Run AI models locally or connect to cloud, privately
  • Stars


    44,644
  • Last commit


    11 hours ago
  • License


    Apache-2.0
Jan runs open-source AI models on your own hardware or connects to cloud providers like OpenAI, Anthropic, and Google, keeping your conversations off third-party servers.

Open Source Alternative to:

Build AI copilots for your product in hours, not months
  • Stars


    37,544
  • Last commit


    11 hours ago
  • License


    MIT
Integrate production-ready AI copilots into any product quickly and easily with CopilotKit's open-source platform.

Open Source Alternative to:

Create powerful chatbots without coding
  • Stars


    10,365
  • Last commit


    22 hours ago
  • License


    Unknown
Design, build, and deploy interactive chatbots with a visual editor. Integrate easily and collect data effortlessly.

Open Source Alternative to:

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