i3 - A dynamic tiling window manager designed for X11, inspired by wmii, and written in C.
Codat - Codat works with lenders, banks, insurers and software providers to provide integrations with the accounting and other financial softwares.
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.
Pulse by Bench Accounting - See the financial health of your business in real-time.
Openbox - Openbox is a highly configurable, next generation window manager with extensive standards support.
Wealthbox - Smart CRM for financial advisors