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Learn how to design large-scale systems. Prep for the system design interview. Includes Anki flashcards.

🐸 Read Frog - Open-source AI language learning & flashcards, an Immersive Translate alternative | 🐸 陪读蛙 - 开源 AI 语言学习与闪词卡，沉浸式翻译替代

AnkiDroid: Anki flashcards on Android. Your secret trick to achieve superhuman information retention.

Obsidian plugin to sync flashcards from a folder in your vault to Anki. Pure Markdown syntax. No fuss.

Fight the forgetting curve by reviewing flashcards & entire notes on Obsidian

pdf reader app with note taking, annotations, collaboration, ai features (chat, flashcards generation w. ai-feedbacks), tts and ocr.

A native study system for your Obsidian vault. LearnKit turns notes into durable knowledge with flashcards, spaced repetition, reviews, tests, and AI tools.

Open-source, self-hosted AI language learning platform with local or cloud LLMs, CEFR study plans, an AI tutor, voice conversations, flashcards, and spaced repetition.