Open-source AI learning platform with exam cloning, multi-agent problem solving, knowledge graphs, and teach-back evaluation. Self-hosted, 12 languages, web + mobile.

AI-powered flashcards app built for serious daily study on iOS, Android, and the web. Use it to prepare for exams, learn vocabulary, memorize technical terms and facts, improve your material with AI, and review with spaced repetition.

Memorize and revise your notes actively with spaced repetition and retrospective deadlines inside Obsidian. Now featuring Anki export with differential sync and chunking.

The open-source, 100% free alternative to Quizlet and Anki. Generate SAT & language vocab quizzes instantly using ChatGPT or Claude JSON exports. Built with Next.js & Supabase.

A small, single-user, browser-based flashcard app.

MEMOGEN: Master IELTS vocabulary with 3D interactive flashcards - 90%+ retention combining memory techniques, AI-generated imagery & LECTOR spaced repetition

Self-hosted spaced repetition calendar — SM-2 scheduling, forgetting curves, knowledge graph & dark mode. Privacy-first Anki alternative for visual learners.

Anki-compatible spaced-repetition flashcard app with a modern, fast desktop UI — Tauri + Rust + React

📚 私人英语语料库 | 把你日常想说的每一句中文都变成专属语料，地道美式翻译+艾宾浩斯记忆，拒绝无效背单词，完全离线私有存储

A terminal quiz tool powered by skill-driven agent: turn any subject into tailored exercise with one simple prompt. 一款由技能驱动代理提供支持的终端测验工具：通过简单的提示词将任何主题变成量身定制的练习。

Connect your AI to Reanthesis — MCP server, agent skills, and plugins so Claude, ChatGPT, and Copilot can build flashcards from your notes and manage your study data. Your AI, your data, your cards.

Compass · A self-hosted spaced-repetition quiz tool powered by FSRS-6. Import Markdown/Excel/Word banks, keyboard-driven answering, algorithm-scheduled reviews. A modern self-hosted Anki alternative.

FSRS-grade spaced repetition that makes you want to come back. No manual, no account, your data stays yours. Open source.

Приложение для интервального повторения карточек на Python. SM-2 алгоритм, SQLite, CSV-импорт, customtkinter GUI

MCP server for vocabulary collection, SM-2 spaced repetition, multi-deck management, gTTS pronunciation, and Claude Desktop integration. Save unfamiliar words while you read and review them on schedule.

Local-first flashcard workspace prioritizing FSRS 4.5 scheduling and minimalist design. No server required.

Open-source FSRS (v4.5/5) spaced-repetition engine — STEM-calibrated weights, exam-aware scheduler, interleaving & readiness score. Extracted from Quanta (quanta-study.de). TypeScript · MIT.

FSRS v4.5/5 Spaced Repetition Scheduler — zero dependencies, TypeScript-native, edge-ready. Used in production at quanta-study.de

Open-source, offline-first study platform. Goals, study tracks, FSRS spaced repetition, routines, focus timer and content from free sources (YouTube, Wikipedia). Student & teacher modes. Free forever.

Self-hosted, local-first vocabulary learning from real video/audio context — media cards, offline OCR/STT, FSRS review, and optional AI.