BrandBucket - The original marketplace for business names and creative domain names.
Pingdom - With website monitoring from Pingdom you will be the first to know when your website is down. No installation required. 30-day free trial.
Zlipa - Startup names with available dotcoms and logos
StatusCake - Website Uptime Monitoring & Alerts – Free Unlimited Downtime Monitoring
Brandpa - Domain names for startups
Better Uptime - We call you when your website goes down