
Description: AnkiDroid is a free and open-source flashcard app for Android. It allows users to create decks of flashcards with text, images, audio, and video, and uses spaced repetition to optimize studying. AnkiDroid can help memorize anything from languages, to science material, to trivia.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Readwise is a read-later app that helps you track, organize and review highlights from articles, books and websites. It syncs highlights from Kindle and Pocket automatically, allowing you to easily revisit your highlights later.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API