Square - Square helps millions of sellers run their business-from secure credit card processing to point of sale solutions. Get paid faster with Square. Sign up today!

nmon - This systems administrator, tuner, benchmark tool gives you a huge amount of important performance...

Lightspeed - retail and restaurant point-of-sale, ecommerce, and omnichannel solution

gtop - System monitoring dashboard for terminal

QuickBooksPOS - QuickBooksPOS offer POS system software for small businesses.

psutil - psutil is a module providing an interface for retrieving information on all running processes and...