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
Parley
Description: Parley is an open-source alternative to Adobe Photoshop and other raster graphics editors. It is lightweight, customizable and comes with extensive drawing and photo editing tools for creating digital paintings, drawings, logos and editing photos.
Type: software
Pricing: Free