Domainz.io - Premium domains, for not so premium prices
TrackDuck - Visual feedback for web design and development.
Brandpa - Domain names for startups
Valist - Automatically created staging environments for every update with a shareable link for testing
Undeveloped - Domains you never thought were available
Usersnap - Usersnap is a customer feedback software for SaaS companies that need to constantly improve and grow their products.