sleek is a todo app based on todo.txt for Linux, Windows and MacOS, free and open-source.
Windows 2000 Professional XFCE Total Conversion
A Simplified fork of Kickoff Application Launcher Menu
An improved fork of KDE Plasma's Kicker Application Menu which is a launcher based on cascading popup menus
An improved fork of KDE Plasma's Kicker Dash Application Dashboard which is a fullscreen application launcher