gumroad is an allround social commerce service enabling everyone to sell online without any preconditions. One just registers and gumroad does the rest. This at least is true to digital goods and with the only exception of the delivery of real goods.
The functions include the upload of information and providing a link to be shared and to sell online. If a purchase happens, gumroad handles the payment and provides a download link. And even to real goods gumroad offers comfortable functions like the tracking of the delivery.
Indeed everyone may participate, who wants to sell something online. Furthermore gumroad has advanced features to do business like selling statistics or the option to communicate with customers. Further prospects are available by features provided to developers. To get further information visit gumroad.