
Description: Piazza is an online question-and-answer platform designed for students and instructors. It facilitates class discussion outside of the classroom in an online forum where students can post questions and answer each other's questions.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Prulu is a software that offers an intuitive all-in-one solution for teams to create and manage design projects collaboratively. It streamlines the design review and approval process through features like commenting, version control, task management, and asset sharing.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API