No sync Garmin Express 7.5.0.0 and Forerunner 405 - Garmin Express Windows - Mac/Windows Software - Garmin Forums
TrailRunner - Mac OS X route planning and training software for Garmin GPS or Nike+ SportBand
Amazon.com: Garmin Forerunner 405 Wireless GPS-Enabled Sport Watch with USB ANT Stick and Heart Rate Monitor (Green) (Discontinued by Manufacturer) : Everything Else