(Population Attributable Risk Calculator) and QuRC (Quick Risk
Calculator) programs. These are available as MS Excel worksheets.
http://www.urmc.rochester.edu/smd/cpm/mach/pubs.html
Sample size calculator (sampsize) for Linux / Unix
http://sourceforge.net/projects/sampsize/
EpiData is a data-entry and data-checking program for Microsoft Windows.
It is based upon the mode of operation and file format of the MSDOS version of
EpiInfo.
http://www.epidata.dk/
EpiData - Reliable dataentry and documentation.
A comprehensive set
of simple tools for documented dataentry.
http://epidata.dk
