What are some alternatives?
When comparing Ajax Domain Finder and Machiname, you can also consider the following products
DomainHole - DomainHole has the tools to allow you to find a great domain name.
namegrep - Domain name search with regular expressions and curated sets
BrandBucket - The original marketplace for business names and creative domain names.
Domainr - Domainr
NameMesh - Get smart domain name suggestions using synonyms, suffixes, prefixes, short url, new gtlds to find the perfect domain name. Generate ideas for social user names and check availability for free!
Domain Suggestions - Finding the right domain name