COM - Free password protectable statistics in many languages. The statistics are highly detailed. ShowStat - This site offers a free counter that also keeps track of other statistics, like location and time of visitors, etc. Site Meter - Fast, small graphic counter with lots of info. Stat Track - Free site statistics.
Option is available to have stats accessible by the public or password protected.
SuperStats - Free statistical counter. SuperStats' counter allows you to track visitors, hits and traffic patterns of your webpages. Easy to install but with a lot of neat features. Offers a free 10-day trial. WebCounter - Offers both free and commercial counters.