CCTray - Display continuous integration status from most build servers.
Pingdom - With website monitoring from Pingdom you will be the first to know when your website is down. No installation required. 30-day free trial.
CCMenu - CCMenu displays the build status of projects on a continuous integration server as an item in the...
UptimeRobot - Free Website Uptime Monitoring
WhatsON - Free and open-source build status monitoring for Windows with support for Jenkins, Travis-CI, CC.NET. Designed to notify developers or other collaborators about issues in the build pipelines.
StatusCake - Website Uptime Monitoring & Alerts – Free Unlimited Downtime Monitoring