Tutor-MCP is an open-source adaptive learning engine built on the Model Context Protocol that creates personalized learning paths and AI tutoring for any subject. It uses Bayesian Knowledge Tracing and spaced repetition to guide learners through structured curricula, track progress across AI clients, and maintain persistent learning history.
Remind Cards is an offline-first flashcard app with AI-generated content, spaced repetition learning, and multiple study modes. Built as a side project, it supports vocabulary learning through various input methods including handwritten notes, with features like text-to-speech, custom decks, and community sharing.
DER DIE DAS is a free app that teaches German noun genders (der, die, das) through spaced-repetition flashcards using the FSRS algorithm, eight solo games, and real-time 1v1 duels. It covers vocabulary from telc levels A1.1 through B2 across ~3,000 words, supports custom vocabulary, and offers an interface in 17 languages.