← back to the directory
Library / SDK Agents & OrchestrationApps & UIs

Rasa

1Open 2source 3conversational 4AI 5assistant 6framework

the six Ws · specification

W1 Who

Maintained by Rasa (RasaHQ), an open-source conversational-AI company.

W2 What

A framework for contextual chat and voice assistants with intent-based NLU and dialogue management.

W3 Where

Runs self-hosted as a Python library and SDK.

W4 When

Reach for it when building controllable, on-prem chat and voice assistants.

W5 Why

Mature, intent-based NLU with full control over dialogue logic.

W6 With

Python, plus optional TensorFlow and spaCy NLU pipelines.

W7 Watch

Vendor-backed and dual-licensed; the Rasa Pro tier is paid. Mature project; self-hostable so conversations stay on your infrastructure.

Conversational-AIChatbotsNLUPython

for agents & scripts

Reading this as a machine? Query it directly.

Search is open JSON - no key. Report telemetry after using a tool and it feeds that tool’s Proof Score. Or speak MCP to /mcp and discover tools mid-loop.