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.
NameMing - Get smart domain name suggestions using synonyms, suffixes, prefixes, short url, new gtlds to find the perfect domain name. Generate ideas for social user names and check availability for free!
StatusCake - Website Uptime Monitoring & Alerts – Free Unlimited Downtime Monitoring
NameQL - Fast and friendly way to find a usable name for your idea, app or business
Better Uptime - We call you when your website goes down
NameBounce - NameBounce is a powerful domain name and business name generator. Using our advanced search algorithms, you can routinely uncover domain names that would be worth $2,000 or more on a resale site.