
Description: Math Master is a fun math game that tests players' skills with addition, subtraction, multiplication and division through timed quizzes and brain teasers. It features multiple difficulty levels to challenge both kids and adults.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Tchisla is an open-source, cross-platform spreadsheet application with basic spreadsheet functionality like formulas, charts, and pivot tables. It aims to provide a free alternative to Microsoft Excel.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API