-Diverse-

GPSies.com
Tours site based on Google maps (display and creation of tracks). Focus on Germany.
Giscover
Large collection of tours with a focus on Italy
Tourendatenbank
New interactive portal with hundreds of valuable tour suggestions from all over Europe
GPS-Tour.info
Very large collection of tours.
Trailino.com
Upload and create tours that will appear with additional information.
GPS-Tracks.com
Many tours but for the part that is subject to a charge. Especially in the Alpine region.
Bergfreunde im Isarwinkel/Pfaffenwinkel
Tour descriptions and tour links from the Bavarian mountains such as ISAR angle, Karwendel, Wetterstein Ammergau Alps, Allgäu Alps, Tyrol Mountains, East Tyrol

Austria

-Diverse-Alpintouren.com
Free tour portal with GPS data, Google Earth, photos, videos for mountain biking, hiking,...
TyrolKitz Touren - das Tourenportal der Kitzbüheler Alpen
Over 200 tours in different kinds of sports are available.

France

-Diverse-bivouak.net
Emphasis in the area Rhône Alpes'
-Diverse-TraceGps
More than 1500 tracks in France and Europe

Germany

BavariaGPS Tourdatenbank im Bayerischen Drei Laender Eck
GPS Tours database for mountain biking, cycling, hiking and snowshoe tours in the Bavarian Forest, Germany, Austria and the Czech Republic with tour descriptions and free GPX data to download.
BavariaDer Rhönführer
Here is a database of POI and GPS - tours for the Rhön.

Switzerland

-Diverse-GPS-Touren.ch
Especially Graubünden/Eastern Switzerland