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GEneric Medical Survey TRACKER is written in PHP, using Zend Framework.
GemsTracker is a tool for tracking fixed sequences of surveys asked to groups of individuals or organizations.
GemsTracker is not a tool for building and administrating surveys. For that specialized survey software packages are used by GemsTracker, with LimeSurvey as the first among equals.
Rydia is a web-based, AJAX frontend to the JSurveyLib survey engine. It provides an easy way to configure surveys / questionnaires and display them on a website. Rydia will work with any webframework because it integrates like an AJAX widget.
A complete survey administration and data collection system. A fully featured replacement for Quancept, supporting CAPI, Web, CATI, PDA and Paper survey modes. Sonar is the reference implementation of JCaiF for CAPI and Web survey interviewing. Try it!