Vav project is a solution for the FLARM users. Vav products the declaration flight file. Vav is a web tool using googlemap api Php required - Data are read as text files. You only need a web server with php support. Demo on http://yofab.free.fr/vav/
OMGM (O-Maps on Google Maps) allows you to upload orienteering maps and use them in your GoogleMap application. OMGM provides an "orienteering map tile layer" for all uploaded maps.