
Description: Stereo is an open-source tool for creating immersive 3D environments. It allows developers to build VR/AR apps with spatial audio, hand tracking, voice input, and multi-user capabilities.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: riffr is a social music platform that allows users to create, share, and discover music playlists. It has features for following other users, commenting on playlists, and listening to music.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API