Affamole writes:  

Unique Hit Counter by LD Software.

Features of this block:

- Simple ip hit counter, stores the ip of the visitor in a database table and will only count that ip once.

You can your your free copy from LD Software Download Details.

Support for this module can be found at the LD Software Support Forum.

Registration is required to download from LD Software, which is free.

All phpnuke downloads at LD Software are free to download and are released under GPL.