projGo's version of the PROJ.4 projection library
geodesy-phpGeodesy PHP - Port of some known geodesic/math functions for getting distance from a known point A to a known point B given their coordinates. It also supports conversion between units of length, Polar position to Cartesian coordinates, and different Reference Datums.
tile-map-service-net5Tile server for .NET 5 platform with MBTiles, Filesystem, GeoTIFF, HTTP sources and XYZ, TMS, WMTS, WMS endpoints (protocols support)