Dictionary Domains - Unregistered dictionary word domains for your side project
DNSdumpster.com - Open source domain intelligence lookups for security recon
Name Ideas Generator - A simplistic domain name generator.
ViewDNS.info - Free DNS related tools including Reverse IP Lookup, DNS Propagation Checker, Chinese Firewall Test...
Get.blog by WordPress - Prebook .blog domains before it's open to public
DNS Checker Tool - Check Domain Name System (DNS) records for any website.