Mashword - Find a name and register a domain for your business, baby, project, and more. Mashword is a powerful company and human name generator that determines the pronunciations of entered words and then creates unique combinations and variations.
BrandHunt V2 - Search/track domain & social media handles in real time.
Panabee - Best way to search domain names, esp for apps and startups
Marquix Startup Domains - Startup domains for less than $10k with payment plans
Mono Name - Curated CSV list of available domains for your next project
GrahamSnaps - Easy-to-use tool to embed Instagram on your website.