Awesome
The Go package proj provides a limited interface to the Cartographic Projections Library PROJ.
For PROJ version 5 and beyond, see also: https://github.com/pebbe/proj
Keywords: cartography, cartographic projection
Install
For PROJ.4 and PROJ versions 5 and 6:
go get github.com/pebbe/go-proj-4/proj
For PROJ version 5 and beyond:
go get github.com/pebbe/go-proj-4/proj/v5