Apps similar to Zetlyn include changedetection.io, which is open source with a free version. Other options are Distill Web Monitor and Visualping. In total there are three Website Monitoring Tools like Zetlyn for Windows, Linux, the web, Mac and Android.
changedetection.io - The best and simplest self-hosted free open source website change detection monitoring and notification service. An alternative to Visualping, Watchtower etc. Designed for simplicity - the main goal is to simply monitor which websites had a text change for...
Australia
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.
United States
Visualping is the easiest to use website change monitoring, website change detector and website change alert software of the web. Contrary to other website change monitoring software like ChangeDetector, Versionista, Page Monitor, it tracks and detect visual webpage changes and...
Canada
