A gTLD is a generic extension, that are not controlled/managed by any country (as with the territorial extensions or ccTLDs), gTLD is managed by ICANN (Internet Corporation for Assigned Names and Numbers) nad others agencies.

Some of the generic extensions are: .com, .net, .org, .info, .biz...

In MrDomain we offer multiple generic domains, find the full list price accessing at Rates.