
Description: Babbel is an online language learning platform that offers lessons in 14 different languages. Its courses emphasize practical conversation and vocabulary through interactive lessons that adapt to each user's strengths and weaknesses.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Kanji Koohii is a free web-based SRS (spaced repetition system) flashcard program for learning kanji. It allows users to create digital flashcards with kanji characters, readings, meanings, and example sentences.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API