Brainscape

RemNote

RemNote combines note-taking, flashcard creation, PDF annotation, and AI-powered study tools into one app built around helping students retain what they learn, not just record it. Notes can be automatically or manually converted into flashcards, which are then reviewed using a spaced repetition algorithm that schedules reviews at optimal intervals for memory retention. Beyond flashcards, RemNote supports PDF and PowerPoint annotation, typed and handwritten notes, an AI tutor chat, and databases for organizing course material, positioning itself as a replacement for juggling separate tools like Quizlet, Anki, Notion, and Evernote.

Flashcard Generator

A free AI-powered flashcard generator that converts PDFs, documents, notes, images, videos, audio, and YouTube links into flashcards in seconds. Powered by Google Gemini, it requires no signup and supports editing and sharing decks.

Clozemaster

Clozemaster is a language-learning platform built around the cloze fill-in-the-blank exercise format, where learners complete real sentences rather than isolated vocabulary flashcards. It covers more than 50 languages with over 170 language pairings, and uses spaced repetition to reinforce words learners have already seen. Learners can choose multiple-choice or typing modes, track progress by word frequency to prioritize the most useful vocabulary first, and the platform recently added grammatical sentence analysis. The core game is free to play, with an optional Pro subscription that unlocks advanced features for more serious learners, available on web, iOS, and Android.

Anki

Anki is a flashcard application built around spaced repetition, using an algorithm to schedule reviews so learners spend more time on challenging material and less on cards they already know well. It is free and open source on desktop (Windows, macOS, Linux), with source code publicly available on GitHub and an extensible add-on ecosystem built by the community.

StudyCards AI

StudyCards AI is an AI-powered flashcard generation tool that converts uploaded PDF documents into study flashcards automatically, then exports them directly into Anki for spaced-repetition review. It generates both standard question-answer cards and cloze-style (fill-in-the-blank) cards, with the AI able to interpret diagrams in source files and attach relevant visuals to generated cards.

StudyFetch

StudyFetch is an AI-powered study platform that converts a student's own course materials, including PDFs, lecture slides, recordings, YouTube videos, and even photos of handwritten notes, into flashcards, quizzes, summaries, and a personal AI tutor called Spark.E. Because Spark.E is trained on the uploaded material, it answers questions based on the student's actual textbook and lecture content rather than generic answers.