ST Port Scanner

This software can scan all 65535 TCP (Transmission Control Protocol) ports that are typically available on a normal computer that has internet assess. A typical scan can take approximately 30 minutes.

Is there any other port scanner as simple to use as this program, not to mention that it's stable (it's very unlikely that it will freeze or crash), completely free and precis.

Please note, this software is intended for users with some form of IT knowledge (basically, you need to know what your doing), recommended for 12 years +.