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: software
Pricing: Open Source
Description: Discogs is an online database and marketplace for music recordings. It allows users to catalog their music collections, buy and sell physical music releases, and discover new music based on their tastes.
Type: software