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: MKVtools is a free, open-source set of utilities for manipulating Matroska (MKV) media container files. It allows joining and splitting MKV files, editing headers and attachments, muxing/demuxing tracks, and more.
Type: software
Pricing: Open Source