What are some alternatives?
BrandHunt V2 - Search/track domain & social media handles in real time.
namegrep - Domain name search with regular expressions and curated sets
Lean Domain Search - Find a Great Domain Name w/ twitter handle availability
Instant Domain Search - Search domain names instantly by showing results as you type.
Picnic - The fastest, cheapest way to launch a new one-page website
Nuage - Nuage provides domain naming services.