Condorcet Vote is a simple solution, allowing you to create online unlimited elections whose results are calculated according to various Condorcet voting system like Schulze or Copeland. You can also use primitive method of the Marquis de Condorcet himself.
These mathematical methods of election for a single turn, allows obtaining a ranking orderly and democratic than majority vote.

Alt: https://civs.cs.cornell.edu

CIVS est un service gratuit permettant d'organiser facilement des consultations électorales et des sondages d'opinion en utilisant Internet. Chaque participant à la consultation ou au sondage peut classer une série de propositions. La combinaison de ces choix permet de construire un classement global qui synthétise l'opinion des participants.