Curated list of design and UI resources from stock photos, web templates, CSS frameworks, UI libraries, tools and much more

Learn how to design large-scale systems. Prep for the system design interview. Includes Anki flashcards.

A cross-platform C and C++ unit testing framework for the 21st century

An evolving how-to guide for securing a Linux server.

Run your GitHub Actions locally 🚀

Master programming by recreating your favorite technologies from scratch.

Checklist of the most important security countermeasures when designing, testing, and releasing your API