What are some alternatives?
When comparing DomainWatch and Namelix, you can also consider the following products
Nuage - Nuage provides domain naming services.
Namefruits - Find the perfect name for your startup
Domainz.io - Premium domains, for not so premium prices
NameQL - Fast and friendly way to find a usable name for your idea, app or business
Undeveloped - Domains you never thought were available
Naminum - A company name generator that's actually useful