
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: jGameBase is an open source Java game engine and framework that aims to make game development easier. It provides reusable components for handling graphics, audio, input, physics, and more so developers can focus on game logic.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API