You can find a list of tools similar in features and functionality to New Relic below.

These tools are popular under Uptime Monitoring. We included a brief overview of their pricing, but the best way to compare between them is to visit their websites.

Not all tools offer the same features. If you're looking for a particular feature, most tools offer a free trial that you can run to see if they're a good fit.

If you're not entirely sure what you're looking for, it might be a good idea to browse through all the tools listed under the Uptime Monitoring page.

The Postmake directory also contains tools that are generally categorized under the same category as New Relic.