Anki
Description: Anki is a free, open-source flashcard program that uses spaced repetition to help users memorize information more efficiently. It allows users to create digital flashcards with text, images, audio, videos, and LaTeX support. Anki's algorithm schedules flashcards to show up at increasing intervals based on the user's performance to reinforce long-term memory.
Type: software
Pricing: Open Source
GroupMe
Description: GroupMe is a free group messaging app that allows people to stay connected through group chats, direct messages, and photos. It's popular for coordinating events, keeping in touch with friends and family, and communicating within work teams or student organizations.
Type: software