PHP_Dyn is PHP extension to help debug a PHP script. You can get execution trace of scripts, print an HTTP request parameter, and print the argument value of the function call and return value.
PHP Screw is a PHP script encryption tool. When
you are developing a commercial package using PHP,
the script can be distributed as encrypted up
until just before execution, preserving your
A tool for securing DNS communications between a client and a DNS resolver.
A polyhedral extraction tool (PET).