UpdateWatcher is described as 'keeps you updated as your favourite web sites change. It monitors ordinary web sites, password protected pages, Facebook, Twitter, Gmail and Yahoo mail accounts' and is an app in the News & Books category. There are more than 25 alternatives to UpdateWatcher for a variety of platforms, including Online / Web-based, Windows, Linux, Mac and Firefox. The best alternative is UptimeRobot, which is free. Other great apps like UpdateWatcher are Update Scanner (Free, Open Source), FiveFilters Feed Creator (Freemium), Feedfry (Freemium) and DELTAFEED (Freemium).
Dashboard with 50 Monitors, Checked Every 5 Minutes, Totally Free. Monitor HTTP(S), Ping, Port and check Keywords. Get alerted via e-mail, SMS, Twitter, web-hooks or push. View uptime, downtime and response times.
Monitor webpages: Get Newsfeeds from web pages that do not deliver RSS Customization: Monitor portions of webpages via CSS selectors / ignore Ads and Social Media Elements Handling: Manage your monitorings. Get them via RSS or e-Mail
GitHub-powered open-source uptime monitor and status page. Monitor uptime every 5 minutes Using GitHub Actions, monitor unlimited webpages every 5 minutes, and store version-controlled response time stats.