LimeSurvey
(Formerly PHPSurveyor) is an open source application written in PHP based on MySQL, PostgreSQL or MSSQLdatabase.Distributed under the GNU General Public License.
The program allows users to develop and publish surveys in a convenient mode, which does not require special programming knowledge.
Advanced Poll
Voting system with powerful administration tool: multiple voting, templates, unlimited number of options, support for multiple languages, IP-Logging, IP-Locking, cookie support, comments, job scheduling, random selection and ...Concurrent text file and mySQL database .