I got a Garmin Zumo 450 GPS from a friend and it's great but the software to load routes and such is PC based. Is there some good 3rd party GPS software for Mac that's Garmin compatible?

Garmin has announced software and feature updates to select smartwatches and bicycle computers today to help you monitor your overall well-being and take your cycling “to the next level”. Several of ...

Garmin announced the latest version of its zūmo motorcycle GPS, introducing new features including a live lean-angle display and adventure-ready high-definition topographic maps. The Garmin zūmo XT3 ...