CReSIS at the University of Kansas has radar data for bed elevation and ice thickness
NSIDC (National Snow and Ice Data Center) is a master source for data
other open source ice sheet models
the Community Ice Sheet Model is an open source ice sheet model which serves as the ice dynamics component of CESM
SICOPOLIS(Simulation COde for POlythermal Ice Sheets) is a 3-d dynamic/thermodynamic model which simulates the evolution of large ice sheets
the ELMER ice sheet model is an open source multiphysics simulation package adapted to simulations of ice sheets and glaciers
ISSM (Ice Sheet System Model) is an open source finite element model at NASA JPL which supports several stress balances
collaborations and intercomparisons
the SeaRISE assessment process in the US plans to contribute model-based estimates of century-scale sea level changes from ice sheet and ice shelf dynamics to the IPCC AR5 report in 2013
ice2sea is a European effort which is somewhat comparable to SeaRISE
EISMINT (European Ice Sheet Modeling INiTiative) is a past intercomparison effort to test and compare existing numerical shallow ice-sheet, ice-shelf, and glacier models as they were run by several groups worldwide