education

cn-math-taxonomy

+2.3k

数学（小学到高中）、英语（三年级到高中）、初中物理的知识图谱：1644 个知识点、2403 条先修边、6723 道题，对齐课标，附自适应前置诊断。

esp-labs-web

+465

The ESP32-S3 bench guide as a React app: live pinout, lessons with interactive simulators, a code reader for the esp-labs firmware, and the bench log. In 11 languages.

hello-algo

+848

《Hello 算法》：动画图解、一键运行的数据结构与算法教程。支持简中、繁中、English、日本語，提供 Python, Java, C++, C, C#, JS, Go, Swift, Rust, Ruby, Kotlin, TS, Dart 等代码实现

claudemy

+147

Claudemy: an open-source alternative to Udemy and Coursera. Give Claude a topic, it researches the web and builds a course of 2-minute audio lessons with cited sources. A free Claude Code skill.

Echo-Loop

+353

Echo Loop 是一款科学、高效的 AI 英语听说训练 App，通过精听、跟读、盲听、复述和间隔复习，自动驱动学习者把每一段音频真正练懂、练熟、练到会说。

Papermorph

+180

An AI skill that turns books into animated, narrated, interactive web experiences

free-programming-books

+630

:books: Freely available programming books

freeCodeCamp

+454

freeCodeCamp.org's open-source codebase and curriculum. Learn math, programming, and computer science for free.

FreeDomain

+973

Free domain registration and practical DNS learning resources for everyone.