Velocitek Control Center is a free application for Windows and Mac OSX that lets you download GPS data from a ProStart Classic or SpeedPuck (prior to 2020), version 3.0 features direct track uploads to ChartedSails.
The ProStart (2020 and up) does not require Velocitek Control Center.
Requirements (Mac Version)
OSX 10.10 (Yosemite) or later
Requirements (Windows Version)
Windows 8 or later
To replay the data downloaded from a Velocitek device we recommend ChartedSails.