Tool & Platform
Intermediate
Kaggle · Hands-on Projects
A data science competition community with real datasets and leaderboards — a great arena to test your skills after the basics.
Open Source Project
Beginner
GitHub 社区 · Hands-on Projects
A project tutorial collection organized by language, each with clear goals and steps — learn by doing.
Open Source Project
Advanced
codecrafters · Hands-on Projects
A big collection of tutorials for building technologies from scratch — databases, editors, neural network engines, and other hardcore projects.
Open Source Project
Intermediate
gpt-engineer · Hands-on Projects
An open-source project that generates an entire codebase from a one-line prompt — an early landmark experiment in AI programming.
Open Source Project
Intermediate
Maxime Labonne · Hands-on Projects
A curated collection of fine-tuning-ready datasets, organized by conversation, instruction, and preference types, with quality notes.