gdalinfo: Lists information about a raster dataset.
gdal_translate: Converts raster data between different formats.
gdaladdo: Builds or rebuilds overview images.
gdalwarp: Image reprojection and warping utility.
gdaltindex: Builds an OGR-supported dataset as a raster tileindex.
gdalbuildvrt: Builds a VRT from a list of datasets.
gdal_contour: Builds vector contour lines from a raster elevation model.
gdaldem: Tools to analyze and visualize DEMs.
rgb2pct.py: Convert a 24bit RGB image to 8bit paletted.
pct2rgb.py: Convert an 8bit paletted image to 24bit RGB.
gdalattachpct.py: Attach a color table to a raster file from an input file.
gdal_merge.py: Mosaics a set of images.
gdal2tiles.py: Generates directory with TMS tiles, KMLs and simple web viewers.
gdal2xyz.py: Translates a raster file into xyz format.
gdal_rasterize: Burns vector geometries into a raster.
gdaltransform: Transforms coordinates.
nearblack: Convert nearly black/white borders to black.
gdal_retile.py: Retiles a set of tiles and/or build tiled pyramid levels.
gdal_grid: Creates regular grid from the scattered data.
gdal_proximity.py: Produces a raster proximity map.
gdal_polygonize.py: Produces a polygon feature layer from a raster.
gdal_sieve.py: Removes small raster polygons.
gdal_fillnodata.py: Fill raster regions by interpolation from edges.
gdallocationinfo: Raster query tool
gdalsrsinfo: Lists info about a given SRS in number of formats (WKT, PROJ.4, etc.)
gdalmove.py: Transform georeferencing of raster file in place.
gdal_edit.py: Edit in place various information of an existing GDAL dataset.
gdal_calc.py: Command line raster calculator with numpy syntax.
gdal_pansharpen.py: Perform a pansharpen operation.
gdal-config (Unix): Determines various information about a GDAL installation.
gdalmanage: Identify, delete, rename and copy raster data files.
gdalcompare.py: Compare two images.
gdal_viewshed: Compute a visibility mask for a raster.
gdal_create: Create a raster file (without source dataset).
Multidimensional Raster programs
ogrinfo: Lists information about an OGR-supported data source.
ogr2ogr: Converts simple features data between file formats.
ogrtindex: Creates a tileindex.
ogrlineref: Create linear reference and provide some calculations using it.
ogrmerge.py: Merge several vector datasets into a single one.