DAN.COM - DAN is on a mission to make unused domains accessible to all
Weird One Character Domain Superstore - Weird and available one character domain names
dofo.com - Domain search platform Dofo.com gathers all registered (350 million) domains of the world in a single place. Dofo also brings together all the domain names that are on sale, provides useful features, all completely free.
Handshake.org - Decentralized certificate authority and naming
BrandBucket - The original marketplace for business names and creative domain names.
Dictionary Domains - Unregistered dictionary word domains for your side project