
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: Byki is a spaced repetition flashcard program for learning languages. It helps users memorize vocabulary words through digital flashcards and quizzes that adapt to remembering difficulty.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API