
Description: IsoPad is a free and open source virtual sticky notes app for Windows. It allows users to create virtual sticky notes to jot down thoughts, ideas, to-do lists, and more. IsoPad has basic formatting options and supports exporting notes to TXT/HTML.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Perfect Piano is a free piano simulator app for Android and iOS devices. It features a realistic piano keyboard interface with support for all 88 keys, multiple instruments like piano, organ, and electric piano, recording and playback functions, and a song library with popular tunes to play along.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API