
Description: LibreLingo is a free and open-source language learning platform. It provides interactive lessons for over 40 languages with vocabulary flashcards, grammar exercises, and pronunciation practice. The lessons are completely free with no ads or subscriptions required.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Rosetta Stone is a language learning software that uses immersion methods to teach reading, writing, speaking, and listening skills in over 20 languages. It provides interactive lessons and games that emphasize total language immersion without translation.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API