From GISWiki

GDAL - Geospatial Data Abstraction Library

is a translator library for raster geospatial data formats that is released under an X/MIT style Open Source license. As a library, it presents a single abstract data model to the calling application for all supported formats. The related OGR library (which lives within the GDAL source tree) provides a similar capability for simple features vector data.

• http://www.gdal.org/ Homepage
• http://www.remotesensing.org/gdal/

OGR Simple Feature Library

English:

The OGR Simple Features Library is a C++ open source library (and commandline tools) providing read (and sometimes write) access to a variety of vector file formats including ESRI Shapefiles, S-57, SDTS, PostGIS, Oracle Spatial, and Mapinfo mid/mif and TAB formats.

OGR is a part of the GDAL library.

Deutsch:

Die OGR Simple Features Library ist eine C++ open source - Bibliothek ( sowie eine Sammlung von Kommandozeilenwerkzeugen), die lesenden (und manchmal schreibenden) Zugriff auf verschiedene Vektordatenformate einschließlich ESRI Shapefiles, S-57, SDTS, PostGIS, Oracle Spatial, and Mapinfo mid/mif und TAB Formate bietet.

Homepage

• http://gdal.maptools.org/ogr/