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.

Deep Dive Duck - Our AI reports show key changes to competitor sites

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.

GovTrack.us - GovTrack.us enables users to track the bills and members of the United States Congress.

Update Scanner - Update Scanner is a Firefox extension to monitor web pages for updates.

ISideWith - See which American political parties, candidates, and ballot initiatives match your beliefs based on the 2019 issues that are most important to you.