SORGE project is described as 'The service has been developed specifically for monitoring changes at competitors' websites. With the help of SORGE, you can watch changes at sites of any size, whether overall, or within specific sections or pages'. There are more than 10 alternatives to SORGE project, not only websites but also apps for a variety of platforms, including Windows, iPhone, iPad and Mac. The best alternative is Update Scanner, which is both free and Open Source. Other great sites and apps similar to SORGE project are Visualping (Freemium), FiveFilters Feed Creator (Freemium), DELTAFEED (Freemium) and WebSite-Watcher (Paid).
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
Trackly monitors web pages and tells you when they change. Beautifully! We send you a screenshot of the changes as they appear on the page. Choose to monitor just the part the the page you care about. You can also choose to ignore small changes such as dates & times.
Sites Watcher checks web pages that interest you for changes. When changes are found, Sites Watcher will show you current page version with highlighted updates. As well as that, you can see previous web page version and current page version from internet.