
Description: Free Shooter is a free and open-source first-person shooter video game. It features several gameplay modes including team deathmatch, capture the flag, and more. The graphics are decent and it has an active modding community.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Purrint is a free and open-source painting application for digital artists. It offers an intuitive user interface and powerful tools for illustration, sketching, texture painting, and concept art.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API