
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: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

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