Hi All What can I use as a navigation software ; and it is Free or open source I have seen GpsDrive but it cannot use shape files or other GIS based formates. Essam Salah Senior Developer MTSE -------------- next part -------------- An HTML attachment was scrubbed... URL: http://intevation.de/pipermail/freegis-list/attachments/20050117/2729f1ac/attachment.html