healthchecks.io : Cron Monitoring. Get Notified When Your Cron Jobs Fail.
Make a HTTP GET request to this address from your cron job, daemon, script or long running tas...
Yellow Lab Tools : Online test to help speeding up heavy web pages
Nuster : Nuster is a high performance caching proxy server based on HAProxy. It is 100% compatible with HAProxy, and takes full advantage of the ACL functional...
Sensu : Sensu is an infrastructure and application monitoring and telemetry solution. Sensu provides a framework for monitoring infrastructure, service & appl...
New Relic’s SaaS-based Application Performance Monitoring helps you build, deploy, and maintain great web software.
Also, server monitoring, and more.