Pinpoint and solve performance issues in your Ruby, Java, .NET, PHP and Python apps with real user, application and server monitoring.

SPX is described as 'Which stands for Simple Profiling eXtension, is just another profiling extension for PHP. It differentiates itself from other similar extensions as being: totally free and confined to your infrastructure (i.e. no data leaks to a SaaS)' and is an app in the development category. There are five alternatives to SPX for a variety of platforms, including Linux, Web-based, Windows, Mac and Android apps. The best SPX alternative is New Relic, which is free. Other great apps like SPX are Glimpse, Dynatrace, Blackfire.io and XHProf.
Pinpoint and solve performance issues in your Ruby, Java, .NET, PHP and Python apps with real user, application and server monitoring.

Providing real time diagnostics & insights to the fingertips of hundreds of thousands of developers daily.



Dynatrace combines the industry’s broadest observability and runtime application security with predictive, causal, and generative in a unified platform to deliver answers and intelligent automation from data.








XHProf is a function-level hierarchical profiler for PHP and has a simple HTML based navigational interface. The raw data collection component is implemented in C (as a PHP extension). The reporting/UI layer is all in PHP.