Gear5 is described as 'easy-to-use, website-performance monitoring system that will give you comprehensive and understandable performance information to help you speed up your websites'. There are more than 25 alternatives to Gear5, not only websites but also apps for a variety of platforms, including SaaS, Linux, Mac and Windows. The best alternative is Pingdom. It's not free, so if you're looking for a free alternative, you could try New Relic or Pingbreak. Other great sites and apps similar to Gear5 are Curler by Amixr.IO (Free), Up Ninja (Paid), Silent Down (Paid) and Netthrob (Paid).
Monitoring for your website or web application is conducted from over 30 locations around the globe. This global network ensures the availability of a monitoring site if there’s a region-specific weather event or other natural disaster.
* Uptime monitoring - checks are performed approximately once every minute from one of the available locations worldwide. During downtimes, checks are performed from four different locations simultaneously. Downtime is only recorded if more than half of servers can confirm it.