9 Open Source Alternatives to Rasa

There are 9 open-source alternatives to Rasa in this directory. The most popular is Dify with 137.3k GitHub stars, followed by Lobe Chat(69.1k stars). All are open source, free to use, and many can be self-hosted.

Quick comparison

Open-source alternatives to Rasa, ranked by GitHub stars
#ToolStarsLanguageLicense
1Dify

A production-ready platform facilitating the development of agentic workflows with robust features and integration capabilities.

137.3kTypeScriptOther
2Lobe Chat

An open-source, modern-design AI chat framework supporting multiple AI providers such as OpenAI, Claude 3, Gemini, Ollama, DeepSeek, and Qwen. It offers features like knowledge base management, multi-modality support through plugins and artifacts, and easy deployment for private AI applications like ChatGPT and Claude.

69.1kTypeScriptOther
3Open-Assistant

OpenAssistant is a chat-based assistant that understands tasks, interacts with third-party systems, and retrieves information dynamically.

37.2kPythonApache License 2.0
4Haystack

AI orchestration framework to build customizable, production-ready LLM applications. Connect components such as models, vector databases, and file converters to pipelines or agents that can interact with your data. Best suited for building Retrieval-Augmented Generation (RAG), question answering, semantic search, or conversational agent chatbots.

24.8kMDXApache License 2.0
5AI Chatbot

A full-featured, hackable Next.js AI chatbot built by Vercel for creating interactive and customizable chat experiences.

19.0kTypeScriptOther
6UI-TARS-desktop

An open-source multimodal AI agent stack that connects cutting-edge AI models and agent infrastructure, offering a robust framework for building AI-driven applications.

15.4kTypeScriptApache License 2.0
7Openai-cs-agents-demo

A demo showcasing a customer service use case implemented using the OpenAI Agents SDK, demonstrating how AI agents can automate and enhance customer support tasks.

6.0kPythonMIT License
8Agent-S

Agent-S is an open agentic framework that uses computers in a human-like manner, enhancing automation and interaction capabilities.

5.9kPythonApache License 2.0
9Airunner

Offline inference engine for art, real-time voice conversations, LLM powered chatbots, and automated workflows, facilitating seamless AI-assisted processing in various applications.

1.2kPythonApache License 2.0

All open-source alternatives to Rasa

Frequently asked questions

What are the best open-source alternatives to Rasa?

The top three are Dify(137.3k stars), Lobe Chat(69.1k stars), Open-Assistant(37.2k stars). All are open source and free to use.

Are these alternatives to Rasa free?

Yes. Every tool listed here is open source and free to use in your own projects. Many can be self-hosted on your own infrastructure, which means no subscription fees and full control over your data.

Can I self-host an alternative to Rasa?

Many of the alternatives listed are self-hostable. Each tool's page lists hosting details, system requirements, and licensing terms.

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