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Open Source Chatbot Platforms using GitHub

A curated collection of the best open source tools to build, deploy, and manage AI-powered conversational agents across various channels, automating customer interactions and support services. using GitHub.

Structured control layer for customer-facing AI agents
  • Stars


    18,284
  • Last commit


    2 months ago
  • License


    Apache-2.0
A conversational AI server that manages agent behavior through context-aware guidelines, keeping responses consistent, auditable, and aligned at scale.

Open Source Alternative to:

Self-hostable voice agent platform with full model control
  • Stars


    5,640
  • Last commit


    9 hours ago
  • License


    BSD-2-Clause
Open-source voice agent platform that lets you plug in your own STT, LLM, and TTS models, deploy on-prem or in your VPC, and build agents via MCP or a visual workflow builder.

Open Source Alternative to:

Self-hostable omnichannel chatbot platform for agencies
  • Stars


    760
  • Last commit


    12 hours ago
  • License


    MIT
Open source agentic chat marketing platform you can self-host, white-label, and resell. Automate omnichannel conversations across WhatsApp, Messenger, Instagram, Telegram, Zalo, TikTok, Email, and Webchat with a flow builder, shared inbox, AI agents, CRM, and broadcasts.

Open Source Alternative to:

Messaging SDK with AI agents for web, iOS, and Android
  • Stars


    544
  • Last commit


    3 days ago
  • License


    Apache-2.0
Build branded chat apps with AI agents, group messaging, document exchange, and digital wallets using React and React Native components.

Open Source Alternative to:

Markdown that mounts real applications
  • Stars


    67
  • Last commit


    1 month ago
  • License


    MIT
Markdown Document with Mounted Applications, the open-source format that turns AI responses into interactive documents. Forms, tables, approval gates and charts render straight from the chat, no custom UI per use case.

Open Source Alternative to:

No-code platform to build AI agents and automate support
  • Stars


    15
  • Last commit


    4 days ago
  • License


    MIT
Build AI chatbots, automate customer support workflows, and connect live agents across web, WhatsApp, email, and voice with a no-code visual designer.

Open Source Alternative to:

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