Tutorial GitHub Repositories (2026) · Open Source Tools

Learn AI Engineering! Learn it. Build it. Ship it for others.

Curated list of project-based tutorials

Bash is all you need - A nano claude code–like 「agent harness」, built from 0 to 1

The most comprehensive Claude Code guide: agentic workflows, hooks, skills, MCP servers, quizzes, and production-ready templates. 430K+ lines.

A fast, scalable, high performance Gradient Boosting on Decision Trees library, used for ranking, classification, regression and other machine learning tasks for Python, R, Java, C++. Supports computation on CPU and GPU.

🚀✨ Help beginners to contribute to open source projects

This project is waiting for your contribution. If you have never contributed code on GitHub before, this is the project to get you started.

A tutorial on infinite canvas

Quarkus Tutorial for https://dn.dev/quarkusmaster

C++ Implementation of PyTorch Tutorials for Everyone

Legacy full-app React on Rails tutorial repo and live demo. See reactonrails.com/examples for current maintained demos.

🪄 A browser extension that captures your workflow as you click and turns it into a step-by-step guide with annotated screenshots 📸

Cryptographic javascript-functions for ethereum and tutorials to use them with web3js and solidity

A guide to learn Kotlin from scratch, part of the 4noobs initiative, published as a site in Portuguese and English with examples that run in the page.

Reveal effect (coach mark) for Compose Multiplatform targeting Android, iOS, Desktop and Web

A collection of Galaxy-related training material

Sample application for Phalcon Framework (Acl, Auth, Security)

Sample application for the Phalcon PHP Framework

The Understanding Gradle video series introduces the concepts of the Gradle Build Tool one-by-one in short videos.

Learn API testing using rest-assured framework.