Features
400+精选GitHub项目索引（分级标注学习方法）
覆盖Python→JavaScript→React→FastAPI→数据库→LLM→AI Agent
源码级精通：手写mini-react/mini-agent/mini-langchain
4个深度专题：Easy-vibe入门、build-your-own-x中文跟做、awesome索引导航、真实开源SaaS拆解
Multi-model cross-check for answer accuracy
Photo math solver with OCR (drag-and-drop images)
Step-by-step solutions for all subjects
Video explanations for geometry, calculus, physics
AI Note Taker with live recording and auto transcription
AI-generated notes with sections and summaries
Quiz maker from uploaded materials (PDF, slides, links)
Flashcard generation from notes and PDFs
Study guide creation with topic breakdown
Mock exam generator with topic prediction and readiness score
Cheat sheet with key formulas, concepts, diagrams
Review plan with daily schedule
Essay writer for brainstorming and structure
Adaptive quizzes that identify weak spots
