SmartDesk - The most affordable premium standing desk
i3 - A dynamic tiling window manager designed for X11, inspired by wmii, and written in C.
Ikea Bekant Standing Desk - New motorized standing desk from Ikea
dwm - dwm is a dynamic window manager for X. It manages windows in tiled, monocle and floating layouts. All of the layouts can be applied dynamically, optimising the environment for the application in use and the task performed.
The Grovemade Desk Shelf System - Bring clarity and intention to any modern workspace.
Openbox - Openbox is a highly configurable, next generation window manager with extensive standards support.