BrandBucket - The original marketplace for business names and creative domain names.
Zlipa - Startup names with available dotcoms and logos
Namesnack - Really good business name generator and instant domain checker. Powered by A.I and 100% free.
Nuage - Nuage provides domain naming services.
KillerLaunch - KillerLaunch helps you find catchy & brandable domain names for your business.
Domainz.io - Premium domains, for not so premium prices