
Description: BitAsker is an open source alternative to Helpdesk software like Zendesk. It provides email ticketing, team collaboration, customer self-service, and knowledge base features in a simple, easy-to-use interface.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Stack Exchange is a network of question-and-answer websites on topics in diverse fields, from software programming to cooking to photography. Users post questions which can be answered by other members of the community.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API