
Description: Krunner is a quick launcher and search utility in KDE desktop environments. It allows users to quickly launch applications, open files and URLs, do calculations, lookup definitions, and more by typing into a simple search box.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Rethink is an open-source database management system that supports JSON documents and real-time push queries. It has a query language that allows you to query, join, and aggregate data easily.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API