The Windows/Linux Openmtbmap Maps Can be found Here

 

Maps for Mac OSx can be found Here

 

Maps in the Gmasupp.img format – to be uploaded directly on your device: https://openmtbmap.org/download/gmapsupp/

 

VeloMap Windows/Linux Maps here: https://openmtbmap.org/download/velomap/

 

Relief DEM Karten for your Garmin Device: https://openmtbmap.org/download/dem-relief-shading/