
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: Hataroid is an open-source alternative to Hater, the popular app for expressing opinions and finding people who agree with you. It allows users to swipe on various topics and give their opinion, matching them with others who feel the same.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API