Rigor Monitoring & Optimization - Rigor Monitoring & Optimization is a website monitoring and performance measuring software solution that allows you to view the website from a customer perspective and conduct various tests to enhance the performance and working of the website.

Site24x7 - Site24x7 offers both free & paid website monitoring services. Monitor websites remotely and receive instant email/sms alerts if your website becomes unavailable. View uptime & performance graphs of your website monitors.

eG Enterprise - From application performance to user experience to infrastructure usage, get performance answers from a single console. Troubleshoot fast with actionable insights.

SolarWinds Pingdom - With website monitoring from Pingdom, you will be the first to know when your website is down. No installation required. 14-day free trial.

ScienceLogic - ScienceLogic simplifies data center, cloud, and network monitoring with its all-in-one platform.

Unitas Atlas - Unitas Atlas is a system monitoring platform that allows you to monitor and view all the parameters of your IT systems, internet, cloud storage, and many others.