UptimeRobot 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... Freemium Web Public Status Page Uptime Monitoring Support for Let's Encrypt Add a feature 76 Like
Update Scanner Update Scanner is a Firefox extension to monitor web pages for updates. Useful for websites that dont provide Atom or RSS feeds. Features: * Select how often each... Free Open Source Windows Linux Firefox Email notifications Firefox extension Add a feature 29 Like
Page Monitor Stays in the background and monitors web pages for changes. This extension allows your browser to monitor changes to web pages for you. It can inform you whenever a... Free Web Chrome OS Chrome Google Chrome extension Add a feature 11 Like
Wachete Track web page changes and get notified. Free Sign-up. Have all data in one place Freemium Windows Web Android iPhone Android Tablet ... Windows Phone iPad Chrome Firefox Email notifications Excel Export Live Push Notifications Mobile friendly ... Persistent History REST API Uptime Monitoring Zapier integration Add a feature 14 Like
Visualping Website change monitoring tool that alerts the user when parts of a page changes. Freemium Mac OS X Windows Web Windows Mobile Android ... iPhone Chrome OS Windows RT Android Tablet Windows Phone iPad No features added Add a feature 13 Like
ChangeMon.Com Automatically monitor any web page for changes and get notifications via email when the desired change occurs. This service is completely free and no signups required. Free Web No features added Add a feature 12 Like
FiveFilters Feed Creator Create feed from elements (e.g. links) extracted from a given web page Freemium Web Self-Hosted No features added Add a feature 9 Like
NIXStats SaaS monitoring tool for linux servers and websites. Think up-time robot but with more features. You can monitor your linux hosts, windows hosts under development. Freemium $ $ $ Web Uptime Monitoring Computer monitoring Downtime detection Performance Monitoring ... Uptime Monitoring Add a feature 6 Like
WebSite-Watcher WebSite-Watcher detects website updates and highlights all changes in the text. WebSite-Watcher monitors web pages, password protected pages, discussion forums and much... Commercial Windows Content monitoring Visual Comparison Add a feature 14 Like
DELTAFEED 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... Free Personal Web No features added Add a feature 3 Like
Versionista Versionista is an online service that alerts you when a Web site changes. It shows you what's been added & removed to any Web page. It records a full page... Freemium Web No features added Add a feature 5 Like
PageMon.Net PageMon.net: we're watching! Boring checking tons of sites for updates? Read updates in your feed reader! Free Web No features added Add a feature 4 Like
WebMon WebMon is a freeware web page update monitoring program - it saves you time and keeps you updated by automatically checking web pages to see if they have changed. ... Free Windows Portable Add a feature 9 Like Discontinued The program is no longer updated. Last version, 1.0.12, released in June 2012, can be still downloaded from the official website.
OnWebChange Track web page changes in any web page daily for free users, every 30 minutes for paid users - no RSS or Atom required. Receive notifications via email, Instant Message... Freemium Web No features added Add a feature 7 Like
WatchThatPage WatchThatPage is a free service to monitor web pages and extract new information from them. Changes are sent in a daily email. Freemium Web No features added Add a feature 5 Like Discontinued The website seems to be down.