DomainWheel - Smart startup name generator
DNSChecker.org - Check DNS Propagation worldwide. DNS Checker provides name server propagation check instantly. Changed nameservers so do a DNS lookup and check if DNS and nameservers have propagated.
Name Ideas Generator - A simplistic domain name generator.
Whats My DNS - Instantly check your domain names current IP address and DNS record information against multiple name servers located in different parts of the world.
Naminum - A company name generator that's actually useful
NsLookup.io - A simple and powerful tool for querying DNS records