QuizUp - QuizUp gives you the opportunity to test your trivia skills against friends and strangers throughout the world.
Materia - Materia is a development environment to build advanced mobile and web applications.
X (Twitter) - Connect with your friends and other fascinating people. Get in-the-moment updates on the things that interest you. And watch events unfold, in real time, from every angle.
adapta-gtk-theme - An adaptive Gtk+ theme based on Material Design Guidelines - adapta-project/adapta-gtk-theme
CrowdParty - Fun and easy Zoom games for those WFHing
Dark Language - Holistic language, editor, and infra for building backends