Notifier monitors your websites, APIs, and servers around the clock and alerts you the moment something goes down. It checks as often as every 30 seconds and sends notifications through email, SMS, voice calls, and Slack so you never miss an outage.

WebSite-Watcher is described as 'Detects website updates and highlights all changes in the text. WebSite-Watcher monitors web pages, password protected pages, discussion forums and much more' and is a website monitoring tool in the news & books category. There are more than 100 alternatives to WebSite-Watcher for a variety of platforms, including Web-based, SaaS, Mac, Self-Hosted and Linux apps. The best WebSite-Watcher alternative is Huginn, which is both free and Open Source. Other great apps like WebSite-Watcher are changedetection.io, Uptime Kuma, Distill Web Monitor and Tianji.
Notifier monitors your websites, APIs, and servers around the clock and alerts you the moment something goes down. It checks as often as every 30 seconds and sends notifications through email, SMS, voice calls, and Slack so you never miss an outage.

WatchaBot is a lightweight, reliable monitoring tool that keeps your website and SSL certificate under constant supervision — and notifies you instantly via WhatsApp when something goes wrong.

PingRelay monitors your services and instantly alerts you when something breaks so you can respond before users are impacted.

MCP-native website monitoring that tracks changes on any public URL and delivers AI-powered summaries through ChatGPT, Claude, or the web dashboard.



PingRobot is a website monitoring service that alerts you when websites are not operational and when they come back online.
