
Description: Chattermill is a customer experience analytics platform that helps companies understand sentiment from customer feedback to improve products, services and experiences. It uses natural language processing and machine learning to analyze various data like surveys, reviews and social media for actionable insights.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Retently Sentiment is a sentiment analysis tool that analyzes customer feedback to help understand how customers feel about a brand, product or service. It uses natural language processing to categorize feedback as positive, negative or neutral.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API