
Description: Grace Sampler is a free, open source audio sampler and sequencer application for Windows, macOS, and Linux. It allows users to record and edit audio samples, assemble them into instruments and loops, apply effects, and sequence them to create songs and compositions.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Kontakt is a sampler and virtual instrument plugin from Native Instruments. It features a large library of high-quality sampled instruments and effects for music production, allowing users to easily create and manipulate sounds.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API