Open source tools to make conversational AI happen

Everyone is talking about next-generation bots. Here are the tools to really build them.

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Conversational AI will dramatically change how your customers interact with you

The Rasa Stack

Open Source Software to Power Your Conversational Software

Our open source Rasa Stack provides you with state of the art natural language understanding (Rasa NLU) and a revolutionary way to handle multi-turn dialogues with interactive machine learning (Rasa Core).

Rasa Enterprise Subscriptions

Extensions & Support to Get You Ahead

Our enterprise subscriptions for development and production unlock our software extensions and world-class support from our team of conversational AI engineers and experts.

Learn how our enterprise subscriptions can accelerate your Rasa deployment →

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Rasa NLU

Turn natural language into structured data with Rasa NLU


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Be independent & don’t rely on 3rd party APIs

Process messages internally and save network overhead

Tune models and get peak performance

Rasa Core

Manage your dialogue with machine learning and let it improve with every conversation with Rasa Core

Make your bot smarter without further complicating your code

Handle layered, contextual conversations

Stop wasting time debugging your state machine