Gin Gonic - Gin is a HTTP web framework written in Go (Golang). It features a Martini-like API with much better performance -- up to 40 times faster. If you need smashing performance, get yourself some Gin. - ...
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!
Buffalo Go Framework - A Go web development eco-system, designed to make your life easier.
Lightspeed - retail and restaurant point-of-sale, ecommerce, and omnichannel solution
Revel - Revel Systems provides an iPad point of sale solution for restaurant and retail establishments.
ITSCircle POS - ITSCircle POS is a point of sale solution for retail stores.