i3 - A dynamic tiling window manager designed for X11, inspired by wmii, and written in C.
Oracle NetSuite - NetSuite is the leading integrated cloud business software suite, including business accounting, ERP, CRM and ecommerce software.
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.
FreshBooks - The ideal accounting software for small business owners.
Openbox - Openbox is a highly configurable, next generation window manager with extensive standards support.
Xero - Xero is online accounting for your small business.