SiteDelta might be a bit more popular than DELTAFEED. We know about 1 link to it since March 2021 and only 1 link to DELTAFEED. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
Deltafeed shows just what changed in a single item RSS feed, like a version number on a download page, or an update on an announcement page. Source: about 2 years ago
I haven't used any in recent years so I'm not up to speed with the pros/cons of each, but PageProbe, SiteDelta Watch, and Distill Web Monitor are a few to try. Source: almost 2 years ago
Distill Web Monitor - Distill is a web monitoring tool. It can monitor RSS feeds, a webpage or a part of webpage. Alerts in the form of pop-up, audio or emails can be received.
Visualping - Visualping is the easiest to use website checker, webpage change monitoring, website change detector and website change alert software of the web. Read more about Visualping.
Feedfry - The easiest way to create an RSS feed from a web page.
FiveFilters Feed Creator - Create feed from elements (e.g. links) extracted from a given web page
PageProbe - Automatic Page Monitor - Create automatic monitors for detecting and scanning changes on web pages, evaluate content based...
Versionista - Versionista is an online service that alerts you when a Web site changes.