diff --git a/README.md b/README.md
index eb59cde..893f883 100644
--- a/README.md
+++ b/README.md
@@ -326,6 +326,7 @@ Please see [CONTRIBUTING](https://github.com/ziadoz/awesome-php/blob/master/CONT
 * [PHPLOC](https://github.com/sebastianbergmann/phploc) - A tool for quickly measuring the size of a PHP project.
 * [xHprof](https://github.com/phacility/xhprof) - Another profiling tool for PHP.
 * [PHPCheckstyle](https://github.com/jbrooksuk/phpcheckstyle) - A tool to help adhere to certain coding conventions.
+* [PHPtrace](https://github.com/Qihoo360/phptrace) - A tool to trace PHP executions.
 
 ## Debugging
 *Libraries and tools for debugging code.*