Dify
A production-ready platform facilitating the development of agentic workflows with robust features and integration capabilities.
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.
| # | Tool | Stars | Language | License |
|---|---|---|---|---|
| 1 | Dify A production-ready platform facilitating the development of agentic workflows with robust features and integration capabilities. | 137.3k | TypeScript | Other |
| 2 | Lobe 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. | 69.1k | TypeScript | Other |
| 3 | Open-Assistant OpenAssistant is a chat-based assistant that understands tasks, interacts with third-party systems, and retrieves information dynamically. | 37.2k | Python | Apache License 2.0 |
| 4 | Haystack 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. | 24.8k | MDX | Apache License 2.0 |
| 5 | AI Chatbot A full-featured, hackable Next.js AI chatbot built by Vercel for creating interactive and customizable chat experiences. | 19.0k | TypeScript | Other |
| 6 | UI-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. | 15.4k | TypeScript | Apache License 2.0 |
| 7 | Openai-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. | 6.0k | Python | MIT License |
| 8 | Agent-S Agent-S is an open agentic framework that uses computers in a human-like manner, enhancing automation and interaction capabilities. | 5.9k | Python | Apache License 2.0 |
| 9 | Airunner Offline inference engine for art, real-time voice conversations, LLM powered chatbots, and automated workflows, facilitating seamless AI-assisted processing in various applications. | 1.2k | Python | Apache License 2.0 |
A production-ready platform facilitating the development of agentic workflows with robust features and integration capabilities.
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.
OpenAssistant is a chat-based assistant that understands tasks, interacts with third-party systems, and retrieves information dynamically.
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.
A full-featured, hackable Next.js AI chatbot built by Vercel for creating interactive and customizable chat experiences.
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.
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.
Agent-S is an open agentic framework that uses computers in a human-like manner, enhancing automation and interaction capabilities.
Offline inference engine for art, real-time voice conversations, LLM powered chatbots, and automated workflows, facilitating seamless AI-assisted processing in various applications.
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.
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.
Many of the alternatives listed are self-hostable. Each tool's page lists hosting details, system requirements, and licensing terms.
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