
Description: Hardcore is a lightweight text editor and IDE designed for programmers. It has syntax highlighting, auto-completion, and other coding-focused features. Hardcore is free, open source, and available for Windows, Mac, and Linux.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: GNUitar is an open-source digital guitar tuner application for Linux. It allows guitarists to accurately tune their instruments using their computer's microphone or an external input.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API