
Description: Leher is a video calling and instant messaging platform designed for teachers and students. It allows virtual classrooms, screen sharing, collaborative whiteboards, and secure cloud storage for education.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

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: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API