LaunchBox - LaunchBox is a portable, box-art-based games database and launcher for DOSBox, emulators, arcade cabinets, and PC Games. Download it free!
Dark Language - Holistic language, editor, and infra for building backends
Playnite - Source code generated using layoutit.com
adapta-gtk-theme - An adaptive Gtk+ theme based on Material Design Guidelines - adapta-project/adapta-gtk-theme
Photon Game Manager - Photon is an advanced game launcher that is designed to make your game collection look amazing.
Materia - Materia is a development environment to build advanced mobile and web applications.