
Description: Busuu is a language learning platform that uses AI to provide personalized lessons and feedback. It offers courses in 12 languages, with focus on vocabulary, grammar, reading, writing, listening and speaking skills. Busuu has social features so learners can chat with native speakers.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Obenkyo is a free and open source spaced repetition flashcard application for learning languages. It supports creating decks, adding cards with text, pictures and audio, and reviewing cards using spaced repetition to maximize memorization.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API