Tpl makes it easy to serialize your C data using just a handful of API functions. The data is stored in its native binary form for maximum efficiency. C, Perl and XML supported. Data is portable across CPU types and OS's from Unix to Mac to Windows.
An Open Source, web based mail survey tracking system. queXM has sample management, uses AAPOR outcomes, can implement the Total Design Method (Dillman), generates postal manifests, and assists with questionnaire form archiving and tracking.