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
Hypothes.is
Description: Hypothes.is is a free, open-source web annotation tool that allows users to add annotations to any webpage. Users can highlight text on a page and add comments publicly or privately. It facilitates group discussions and back-and-forth conversations around online content.
Type: software
Pricing: Open Source