Y Window System
Mir
DirectFB
Wayland
Xynth Window System
Metisse
XQuartz
xmodmap
Python Studio
PyCharm
IntelliJ IDEA
Y Window System
Python StudioMir - The purpose of Mir is to enable the development of user interfaces shells.
PyCharm - Python & Django IDE with intelligent code completion, on-the-fly error checking, quick-fixes, and much more...
DirectFB - DirectFB is a web-based platform that provides you with complete access to a software library that you can use for the acceleration of graphics, handling the input devices, and others for your Linux operating systems.
IntelliJ IDEA - Capable and Ergonomic IDE for JVM
Wayland - Wayland is intended as a simpler replacement for X, easier to develop and maintain.
Xynth Window System - Xynth Window System is a web-based software that is used for the deployment of resources within a minimum resource and offers you features that are alternatives to the X Window System.