R packages that use the OSGEO stack in System Requirements:

R CRAN packages that need/use GDAL, GEOS and/or PROJ, alphabetically:

• apcf: GDAL (>= 2.0.1), GEOS (>= 3.4.0)
• exactextractr: GEOS (>= 3.5.0)
• gdalcubes: GDAL, PROJ
• landsepi: GDAL >= 1.11
• lwgeom: GEOS, PROJ (liblwgeom is part of the package); depends on system files in sf
• MODIStsp: GDAL, PROJ
• PROJ: PROJ (>= 6)
• proj4: PROJ (but ships with the library; not updated to PROJ >= 5)
• rgdal: GDAL, PROJ; **
• rgeos: GEOS
• sen2r: GDAL, PROJ, GEOS
• sf: GDAL, GEOS, PROJ **
• terra: GDAL, GEOS, PROJ
• vapour: GDAL, PROJ

** : sets GDAL_DATA and PROJ_LIB env variables in windows or OSX binaries, PROJ_LIB only for PROJ < 5 otherwise using proj_context_set_search_paths() C API.