Feedity - Create RSS feed for any webpage or podcast. Extract data and turn dynamic websites into spreadsheet or API. Feedity is an online RSS feed generator and podcast feed builder tool. Display feeds on website.
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.
FiveFilters Feed Creator - Create feed from elements (e.g. links) extracted from a given web page
StatusCake - Website Uptime Monitoring & Alerts – Free Unlimited Downtime Monitoring
Feedio - Feedio helps bloggers manage and grow their email and RSS subscribers.
Better Uptime - We call you when your website goes down