1. Freshdesk is a cloud-based customer support software that lets you support customers through traditional channels like phone and email, social channels like Facebook and Twitter, and your own branded community

  2. 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.

  3. An intuitive website monitoring tool. You get: 25 monitors, checked every 3 minutes. Totally free!

  4. Netthrob automatically monitors your website every minute and instantly alerts in case of downtime via sms.

  5. UptimePal offers an affordable website monitoring service.

  6. Webcron - Website and Server Performance Monitoring and Online Web Cron. Reliable Cron Jobs Service with WebCron interface. The easiest way to set cron jobs.

  7. NodePing Server Monitoring and Web Site Monitoring. Simple but powerful Internet service monitoring.

  8. Pingbreak is an original and free monitoring service.

  9. RapidSpike is an uptime and performance monitoring service for websites and web applications.

  10. Runstatus is a hosted status page service that provides a simple and transparent experience to your application users.

  11. A Marvelous Open Source Status Page System

  12. Quickly and easily alert people when there is an issue or outage with your service.