wxWidgets - wxWidgets: Cross-Platform GUI Library
WPMU DEV - WPMU offers WordPress Plugins, WordPress Themes, WordPress Multisite and BuddyPress Plugins and Themes.
Electron - Build cross platform desktop apps with web technologies
MAMP - MAMP is the abbreviation for Macintosh, Apache, MySQL, and PHP. It is a reliable application with its four components that allows you to access the local PHP server as well as the database server (SQL).
GTK - GTK+ is a multi-platform toolkit for creating graphical user interfaces.
WordPress themes - Find the perfect theme for your WordPress website. Choose from thousands of stunning designs with a wide variety of features and customization options.