Updraft is an oppen source project that aims to create user-friendly application for glider flight planning and visualization.Features include visualization of 3D maps, flight planning and visualizations of recorded IGC files, all of that on Windows, Linux and Mac OS X.

Project website: http://updraft.github.com/
Git repository: http://github.com/updraft/updraft/
E-mail: glideplan_swproj@freelists.org