* Core app, interface, parser - Aaron Lehmann <aaronl@vitelus.com> * Plotting library (gtkplot), font selection widget (gtkfont combo), spreadsheet widget (gtksheet) - Adrian E. Feiguin <adrian@ifir.ifir.edu.ar> * Various patches, bug fixes, color previews, several curve fitting options - Peter Osterlund <peter.osterlund@mailbox.swipnet.se>