GeoTools2010 German tutorial by Ansgar Rahmacher:
GeoTools2010 Online Tutorial 1
GeoTools2010 Online Tutorial 2 BrokenTasse
Short Tutorials:
GeoTools2010::SmoothMesh short tutorial
GeoTools2010::BrokenTasse [28.Feb.2010]
UniFlex DE tutorial by Ansgar Rahmacher
UniFlex Part0 Grundlagen 44 MB 7z