This is a very nice little counter which display the unique visitors (total) and the unique visitors (today). It has a unique smilie system built in, which displays your feelings about the number of users that have visited your site. Have fun!
Developer: antido.com Platform: All Date upd:2004-05-19 Hits2326 [Download] [Visit]

Free and simple to use hit counter, contains only two files. In order to use this script just upload the files and read the documentation. Full support offered.
Developer: AtomicPHP Platform: linux, windows, freebsd Date upd:2007-01-25 Hits5535 [Download] [Visit]

a)counter that counts the visitor clicks on a web page b)This counts only unique clicks based on ipAddress. c)The visit from a ipAddress to a webpage will be counted only once every 24hrs. d)Initial/Starting count value can be set. e)Easy to use.
Developer: HIOX Platform: linux, windows, freebsd, osx, sun Date upd:2004-11-01 Hits1803 [Visit]

You can include this on all of your websites if you like, its 100% accurate! Easy to install, download it today & read the simply instructions.
Developer: icounter.biz Platform: All Date upd:2004-07-26 Hits1291 [Download] [Visit]

SHMCounter is a user online counter using SHM (Shared-Memory) segments. It doesn't need a database and runs fully in memory, which makes it really fast. Please test it out and give back all optimisations or bugfixes. Requires PHP4.x with compiled in sysvshm-functions. v0.2 contains
Developer: myphorum.de Platform: Unix, Linux Date upd:2002-02-13 Hits3319 [Download] [Visit]