TopoShare
This is a "real" site allowing the user to create and store routes. Routes can be created from scratch or imported from gpx-files. The site shows off the capabilities of AppForMap and underlying software libs, MapServer, PostGIS and more. Grass Web Servivces are used to extract terrain profiles and export elevation raster files for 3D terrain models.
The link address is: http://www.toposhare.org