PyOD provides Python tools for anomaly detection across tabular, time series, graph, text, image, and audio data.
Open source
24 alternativesRasa
Rasa provides an open source framework for automating text and voice conversations, including chatbots and voice assistants.
About Rasa
Rasa is an open source machine learning framework for building text- and voice-based conversational assistants. It includes NLU and dialogue management, and it can connect an assistant to messaging services or custom conversational channels. The project says Rasa Open Source is in maintenance mode, with future work directed to Hello Rasa and CALM.
Pricing is not clearly stated.
Key features
- Channel options include Facebook Messenger, Slack, Google Hangouts, Webex Teams, Microsoft Bot Framework, Rocket.Chat, Mattermost, Telegram and Twilio.
- Contextual assistants can handle layered conversations with back-and-forth exchanges.
- Licensed under the Apache License, Version 2.0.
Best for: Building contextual assistants with dialogue management and messaging-channel connections.
Rasa at a glance
- Website
- github.com/RasaHQ/rasa
- Category
- AI & Machine Learning › AI Agents & Automation
- Type
- Open-source project
- Pricing
- Not confirmed. Check the site
- Details verified
- Oct 22, 2026 · Official source
- Open source
- Yes · Source code
- Language
- English
- Last checked
- Oct 5, 2026 · Online when checked
- Listed
- Oct 5, 2026
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