Product Evaluations:
Qt Evaluation Version (Embedded/X11/Windows/Mac OS X)
QSA Evaluation Version (X11/Windows/Mac OS X)
Teambuilder Evaluation Version

GPL Versions:
Qt/X11 Free
Qt/Embedded Free
Qt/Mac Free
Qt Educational Program
Qtopia downloads (both commercial and GPL)
QSA Free Edition
Teambuilder Personal
Snapshots Snapshots via rsync