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
Description: Pdfcrowd is a PDF creation and conversion API that allows developers to convert HTML, URLs, and office documents to PDF from their applications. It handles file uploads and conversions on the cloud through REST API calls.
Type: software
Pricing: Freemium