Download of VictronConnect 5.80 for Mac was available from the developer's website when we last checked. We cannot confirm if there is a free download of this app available.
According to the results of the Google Safe Browsing check, the developer's site is safe. Despite this, we recommend checking the downloaded files with any free antivirus software. This free Mac app is a product of Victron Energy BV. VictronConnect for Mac lies within System Tools, more precisely Device Assistants.
From the developer:
VictronConnect lets you configure Victron products with built-in Bluetooth support or using a VE.Direct Bluetooth Smart dongle or a VE.Direct USB interface. You will get instant data from your solar charger or battery monitor. This tool makes it easy to diagnose your installation.
You may want to check out more software for Mac, such as par2formac, Missing Sync for Palm Pre or PSPWare, which might be similar to VictronConnect.