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Rasa

Open-source Python framework for text and voice assistants; the open-source edition is in maintenance mode while Rasa moves to its CALM engine.

Harness by Rasa

IndexedApache-2.0★ 21,354
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Install

From the package registry. Read the repository before you give any tool access to your data.

pip install rasa

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About

Rasa Open Source is a machine learning framework for automating text and voice conversations, with connectors for channels such as Slack, Telegram, Twilio, Facebook Messenger and custom channels. The README says this edition is in maintenance mode and points to Hello Rasa and the CALM engine, which pairs LLM language understanding with business-logic flows. The docs describe a newer Rasa Platform with a Mantle orchestrator and Rasa Pro and Studio products.

Use cases: team-chat, voice-agents

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Fact sheet

Languages
PythonREADME
Packages
rasa (pypi)README
Maturity
Stablegithub.com

Facts extracted by Claude Sonnet 5.5 from the linked sources on Oct 24, 2026. Wrong fact? Tell us.

Alternatives

Frameworks for the same language with a similar way of orchestrating agents.

Signals

Stars
21,354
Forks
4,914
Open issues
12
Weekly downloads
47,324
Last commit
Dec 18, 2025 (10 months ago)
Last release
Jan 14, 2025 (1 year ago)
Last package publish
Jan 14, 2025 (1 year ago)

From GitHub (fetched Oct 24, 2026) and the package registry.

Details

Packages
pypi rasa
License
Apache-2.0
Website
rasa.com/
First seen
Oct 24, 2026
Last checked
Oct 24, 2026

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Rasa. Agent Mart. https://agentmart.dev/harnesses/rasa (last updated 2026-10-24)