Description: Mnemosyne is a free, open-source spaced repetition flashcard program. It helps users memorize information more efficiently by scheduling flashcard review sessions based on how well a user remembers a particular item.
Type: software
Pricing: Open Source
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: software