1)   GIS ObjectLand 2.6.5
GIS ObjectLand is a universal Geographic Information System for Windows. Key features: vector-raster maps; multiuser data editing; import/export for MIF/MID, SHP, DXF, DBF, CSV; access permissions for users; using other DBMS (ODBC); COM interfaces.
ObjectLand, GIS, geographic information system, geoinformation system, MIF, MID, SHP, DXF, DBF, CSV,

 2)   TOPOWIN 10.10
TOPOWIN is a state-wide register of the German topographic cartographies and of localities with geo references in different coordinate systems. It also is a topographic information system.
topography, geodetics, geography, corner, box, coordinate, map, guide, TK25, TK50,

 3)   Register AMTLICHE TOPOGRAFISCHE KARTEN 2.00
A volume of data with map names, map numbers, corner coordinates and completing data of all official topographic maps of the Federal Republic of Germany. TK25, TK50, TK100 and TKUe200.
topography, geodetics, geography, coordinate, map, guide, TK25, TK50, TK50, TK100,