What are some alternatives?
When comparing Lean Domain Search and Machiname, you can also consider the following products
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.
NameQL - Fast and friendly way to find a usable name for your idea, app or business
BrandBucket - The original marketplace for business names and creative domain names.
Domainr - Domainr
Ajax Domain Finder - This is a free service that instantly (with ajax) checks domains name availability and some SEO...