Qualtrics Research Suite is an easy to use, powerful tool for creating online surveys. It supports a wide range of approaches, from simple questionnaires and event signup lists to sophisticated social science research instruments with extensive scripting, randomization and interactive question presentation.
Research Electronic Data Capture (REDCap) is a secure, web-based application for building and managing online surveys and databases for research applications. REDCap is ideal for projects collecting data in community settings and in multi-site projects such as clinical trials.