SerenityOS is open source on GitHub: https://github.com/SerenityOS/serenity
Merch: https://teespring.com/stores/serenityos
Follow me on Twitter:   / awesomekling  
Sponsor me on GitHub: https://github.com/sponsors/awesomekling
Support me on Patreon:   / serenityos  
Donate via Paypal: https://paypal.me/awesomekling

SerenityOS is a Unix-like operating system that I'm implementing from scratch. http://www.serenityos.org/