People love getting anything for free so why not turn their love for freebies into traffic? Earn-It can allow you to offer anything to your visitors if they send you the amount of unique visitors you specify. From my experience I can say that
Developer: sellwide.com Platform: Unix/Linux Date upd:2004-06-05 Hits684 [Visit]

This program allows you to setup a quiz game easily by using forms. The program grades the player's answers and keeps scores. Has forms for "Multiple Choice" , "Fill In" and "Yes No" questions. The program keeps all the player's scores and tells them
Developer: cgiscripts.netfirms.com Platform: Win NT, Unix Date upd:2004-04-05 Hits989 [Visit]

Allows you to host a free 'coin tossing' contest where players guess the outcome of the computer's random coin tosses ("heads" or tails"). You award the player(s) with the highest weekly score with your choice of prize(s). This script was designed to encourage repeat
Developer: RocketScripts.com Platform: linux Date upd:2005-03-14 Hits1313 [Download] [Visit]

Easily manage an online contest from a simple web interface. Display a pic of the prize along with a description. Editable rules supplied! See how easy it is to manage a contest.
Developer: contestmonkey.com Platform: Unix, Linux Date upd:2003-12-01 Hits2297 [Visit]

If you are giving away for free or selling something online then you need this script. It can allow you to offer anything to your visitors if they send you the amount of unique visitors you specify. People love getting anything for free so
Developer: Dr. Daniel Quek Platform: linux, freebsd Date upd:2005-08-04 Hits673 [Download] [Visit]