
Description: Amazon Comprehend is a natural language processing (NLP) service that uses machine learning to find insights and relationships in text. It can extract key phrases, places, people, brands, events, detect sentiment, and analyze syntax. Useful for building chatbots, search applications, and other text analysis tools.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: TextBlob is an open-source Python library for processing textual data. It provides a simple API for diving into common natural language processing (NLP) tasks such as part-of-speech tagging, noun phrase extraction, sentiment analysis, classification, translation, and more.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API