You can download a trial copy of SourceGuardian or you can evaluate using our Online PHP Encoder. This will allow you to test our software without needing to download and install. Click here to test the Online Encoder.
"We supply our software to enterprise customers who need to protect their brand online. SourceGuardian lets us install on our customers machines without worrying about our intellectual property"
John Wright, http://www.intelligenteye.com