What are some alternatives?
When comparing Ajax Domain Finder and Lean Domain Search, you can also consider the following products
Machiname - Machiname is domain name search tool that lets you enter keywords and it will look up domains availability for every combination
Instant Domain Search - Search domain names instantly by showing results as you type.
DomainHole - DomainHole has the tools to allow you to find a great domain name.
Domainr - Domainr
namegrep - Domain name search with regular expressions and curated sets
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!