Rasa

Sure, Rasa Rasa is awesome.

But have you considered these open source alternatives?

They are free, self-hostable and community-driven.

Check by yourself: Langflow  Langflow , Dify  Dify ,  Flowise .

  1. So is Langflow Langflow

    Low-code app builder for RAG and multi-agent AI applications

    ★ 136.2K Chatbot AI RAG Low-code License: MIT

    Langflow is a low-code app builder for RAG and multi-agent AI applications. It's Python-based and agnostic to any model, API, or database.

    preview

  2. So is Dify Dify

    Platform for building apps with AI

    ★ 117.4K LLM AI RAG Chatbot License: Apache-2.0, with a twist

    Dify is an open-source LLM app development platform. Its intuitive interface combines agentic AI workflow, RAG pipeline, agent capabilities, model management, observability features and more, letting you quickly go from prototype to production.

  3. So is Flowise

    Drag & drop UI to build your customized LLM flow

    ★ 46K LLM AI RAG Chatbot License: Apache-2.0

    Drag & drop UI to build your customized LLM flow

    preview