
Description: Ultimate++ is a free and open-source rapid application development suite focused on programmers' productivity. It includes a set of libraries and tools written in C++ designed to build applications with native look and feel quickly by leveraging C++ power and productivity.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: MonoDevelop is a free and open source integrated development environment for Linux, macOS, and Windows. It supports building applications with C#, F#, Visual Basic .NET, Vala, Java, and more. It has support for many .NET platforms and Gtk# based user interfaces.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API