
Description: MyGuitarTuner.com is a free online guitar tuner that uses your computer's microphone to detect the note you play and tell you if it's in tune. It's easy to use with acoustic and electric guitars.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: oTuner is a free, cross-platform auto-tuning application for musical instruments like guitar, bass, violin, and more. It listens to the sound played and gives visual feedback to help tune instruments quickly and accurately.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API