Sage Intacct - Intacct is a cloud-based accounting and financial management system that is designed for the businesses of all levels.
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.
Accounting ASAP - Finance & Accounting
Xmonad - xmonad is a dynamically tiling X11 window manager that is written and configured in Haskell.