• ZendGuardLoader-php-5.3-linux-glibc23-i386.tar.gz
• ZendGuardLoader-php-5.3-linux-glibc23-x86_64.tar.gz
• ZendGuardLoader-php-5.3-Windows.zip
• ZendOptimizer-3.3.3-linux-glibc23-i386.tar.gz
• ZendOptimizer-3.3.3-linux-glibc23-x86_64.tar.gz
• ZendOptimizer-3.3.3-Windows-i386.exe