IdioPoll
- A polling script with database-driven structure and skin support.
- http://sethkinast.com/work/idiopoll/

Poll and Voting Script
- Template driven script to provide votes and polls on a website.
- http://www.stadtaus.com/en/php_scripts/voting_script/

ScriptRocket Poll
- PHP4 Script to create web polls. [Commercial]
- http://www.scriptrocket.com/tspoll.php

UCCASS - Unit Command Climate Assessment and Survey System
- A PHP based survey maker that's full of features and free under the Affero General Public License.
- http://www.bigredspark.com/survey.html

Easy Survey Package
- PHP scripts that make creating and administration of site surveys easier for non-technical users and helps them gather the results, and view common statistics. Uses a MySQL backend. Once installed administration can be done entirely on the web [Open Sour
- http://sourceforge.net/projects/phpesp/

Szewo Polls
- A complete poll management system written in PHP3.
- http://www.szewo.com/php/polls/eng/