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Interactive roadmaps, guides and other educational content to help developers grow in their careers.
Project NOMAD is an offline-first knowledge and education server. Wikipedia, thousands of books, courses, maps, and optional local AI, all running on hardware you own with no internet required.
An application for the RS School education process
Topic in, narrated explainer video out. A Claude Code / Codex skill that turns any topic into a black-canvas motion-graphics explainer video with TTS voiceover, subtitles and a chapter progress bar. Chinese or English; every frame drawn in code with Remotion.
Build a system, load it until it breaks, and watch why. A system design simulator for learning distributed systems.
Create/Sell courses and digital downloads and publish blogs on your own branded website. An open source alternative to Teachable, Thinkific, Podia and the likes.
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.
AI 智能错题本：拍照识题、解答、知识点标签、举一反三、组卷打印与掌握度跟踪，可自托管 / AI-powered self-hosted notebook for mistakes
Your personal EQ coach. Build social skills and learn to handle conflict through realistic role-play and personalized feedback.
The universe in numbers. Free, open-source calculators for everything countable.
learn stuff with pen + paper + AI
☯ The simplest signal library possible