Explore an ever-growing list of project ideas and solutions for different career paths in tech.

Linux and DevOps troubleshooting interviews - like LeetCode for Linux. Get hands-on experience with exposure to real-world problems which will be useful across your whole career.

Everything you need to take your system design skill to the next level. This includes text-based courses with detailed illustrations that explain how to build complex systems step-by-step.

NeetCode has become a fundamental resource for people preparing for coding interviews with video-walkthroughs of Leetcode questions and supplementary courses and tools designed to improve your interview skills.

A framework for pull request comments that are easy to grok and grep.

A specification for adding human and machine readable meaning to commit messages.

A site describing what a changelog is, why you should keep a changelog for a software project and who needs a changelog.

Practice typing by retyping books. Track your progress, review detailed statistics, and improve your skills.

It's fun to learn by experimenting and breaking things! Here you can do weird DNS experiments with no consequences if you mess something up.