USB Peripheral Switch Utility 1.0.072 for Mac could be downloaded from the developer's website when we last checked. We cannot confirm if there is a free download of this app available. We recommend checking the downloaded files with any free antivirus.
The actual developer of this free Mac application is ATEN INTERNATIONAL Co., Ltd. The most popular version among USB Peripheral Switch Utility for Mac users is 1.0. USB Peripheral Switch Utility for Mac lies within System Tools, more precisely Device Assistants.
From the developer:
This software-based configuration utility helps you configure the US221 and US421's settings. The application lets you change the Auto Switch function, Manual Switch, Release reminder and sound effects. The utility can also be used to lock and unlock control for US221 and US421 devices.
You may want to check out more software for Mac, such as USB Control Center Utility, USB-C Dock Utility or Folder Plus USB, which might be similar to USB Peripheral Switch Utility.