
Description: Altered Studio is a free, open-source digital painting program for Windows, Mac and Linux. It provides users with advanced brushes, layers, filters and other tools to create digital artwork from scratch.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Voxal is a free voice changer software for Windows that allows users to change their voice in games, online chats, and audio recordings. It offers a simple interface with various effects like pitch shifting, timbre changing, and adding background noises.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API