
Description: Tetris Blitz is a fast-paced, competitive version of the classic Tetris puzzle game. It adds various power-ups and combos to the traditional Tetris formula for more exciting, skill-based gameplay. Tetris Blitz features online multiplayer battles, tournaments, and leagues to compete against friends or players around the world.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Graviton Block is an open-source, decentralized blockchain platform that allows developers to build dApps and smart contracts. It focuses on speed, scalability, and security using a Delegated Proof of Stake consensus algorithm.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API