What are some alternatives?
When comparing Lean Domain Search and namegrep, you can also consider the following products
Instant Domain Search - Search domain names instantly by showing results as you type.
Wordoid - Wordoid is a web application which helps to solve a common problem
NameQL - Fast and friendly way to find a usable name for your idea, app or business
Domainr - Domainr
BrandBucket - The original marketplace for business names and creative domain names.
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!