Survey Monkey - has a single purpose: to enable anyone to create professional online surveys quickly and easily. Free accounts available with some limitations, including a maximum of 100 responses per month.
Web-Surveys.net is the online research and web services bureau of Bosma Research International, dedicated to helping clients develop, administer, and manage online data collection strategies to achieve their informational needs.
ASSET (Academic Survey System and Evaluation Tool) offers a powerful, yet intuitive, system for the design and administration of online surveys. ASSET allows you to create surveys online and administer surveys online. The system also allows you to summarize your responses online or download the data for analysis with SPSS or Microsoft Excel. Use of the ASSET survey tool is available free of charge to academic community (.edu domain) on our server. The ASSET source code is available for download as freeware under an open-source license.