Simple Stat System is a Scripts software developed by greenbird.info. After our trial and test, the software is proved to be official, secure and free. Here is the official description for Simple Stat System:

Marydown Editor: This is a great script if you want to check how many Visitors visit you site. The script keeps track of daily monthly and yearly visitors (both unique and non-unique) and also gives you there browser type, OS and referral.