BrandHunt V2 - Search/track domain & social media handles in real time.
Domainr - Domainr is the only ICANN-accredited domain status API provider.
sub.dom.ain.studio - Search trillions of subdomains & get your perfect name
Lean Domain Search - Find a Great Domain Name w/ twitter handle availability
Instant Domain Search - Search domain names instantly by showing results as you type.
NameCheckup - Find available social media username and domain for your startup, business, personal brand.