
Description: FamiStudio is a free and open-source chiptune music editor that allows users to compose music for the NES/Famicom sound chip. It has features like tempo control, effects, pattern support, and export to NSF file format.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: DefleMask is a free chiptune tracker for Windows, macOS and Linux that aims to emulate old sound chips like those found in the Nintendo Game Boy and Commodore 64. It has an intuitive interface and powerful features for composing 8-bit/chiptune music.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API