Can anyone recommend the best FREE, no advertisement software to track visitors. I mean EVERYTHING! Browser versions, scripting language, where they been, what they're doing, etc. If you know of good ones, but with advertisements, please still list, but lemme know that stipulation.

THX!

Aegis Kleais
New Media Web Developer
(DWMX : IIS5.1 : SQL2K : WXP : ASP[VB/JS])