
Description: rasa NLU is an open source natural language understanding tool for building conversational AI assistants. It allows you to interpret messages, classify intents and entities, and respond appropriately.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Open Assistant.io is an open-source virtual assistant platform that allows users to build customized AI assistants. It provides tools for natural language processing, speech recognition, and more to power assistant functionality.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API