
Description: Steem Engine is a platform built on top of the Steem blockchain that allows users to create, issue, and manage tokens and smart contracts. It provides a suite of tools to build decentralized applications.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: AtariX is an open source cross-platform emulator that aims to emulate the graphics, sound and behavior of classic Atari home computers and gaming consoles, including the Atari 2600, Atari 5200, Atari 7800, Atari Lynx and Atari Jaguar. It allows you to play classic Atari games on modern computers and devices.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API