Copyright © 2018, J. R. Goodenough
On this page:
XCSoar - Open Source glide computer for PDA (iPAQ etc.)
Sailplane Directory - data for many different glider types
XCSoar is fully-fledged moving map software for PDA with many features suitable for both the competition pilot and the ordinary bod who just enjoys cross-country flying. The web site will give you a flavour of its features and the project’s home page on SourceForge is the place to go for more detailed information.
As it is Open Source, the software is free to use subject to the GNU General Public License.
The Sailplane Directory is a mine of useful information on most glider types from the Dagling primary to the Nimbus 4.