Our website provides a free download of VMS-A1 1.02.01.50 for Mac. The actual developer of this free software for Mac is MAZi Security System GmbH. The application belongs to System Tools.
From the developer:
VMS‐A1 is a versatile video management software for the DVRs, NVRs, IP cameras, encoders, decoders, etc. It provides multiple functionalities, including real‐time live view, video recording, remote search and playback, file backup, etc., for the connected devices to meet the needs of monitoring task.
You may want to check out more software for Mac, such as ToFi, QuakeBar or iStar Composer, which might be related to VMS-A1.