Description: isUp is a free, open-source website monitoring tool that allows users to monitor the status of websites and servers. It checks if sites are up or down and sends notifications if there are any issues detected.
Type: software
Pricing: Open Source
Description: Pingdom is a website monitoring service that checks uptime, performance, and speed of websites. It provides real-time alerts, detailed uptime and performance reports, and analytics on website issues.
Type: software
Pricing: Freemium