3 links
Open Problems from the Geometry Junkyard
ics.uci.edu
Compiled by David Eppstein of the University of California at Irvine.
Open Problems on Discrete and Computational Geometry
csi.uottawa.ca
Compiled by Jorge Urrutia, University of Ottawa.
The Open Problems Project
cs.smith.edu
A project to record open problems of interest to researchers in computational geometry and related fields.