ioCentre 1.3 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.
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. The actual developer of this free Mac application is Genius,KYE Systems Corp. The program's installation file is commonly found as 3button-mx.zip. The most popular versions among ioCentre for Mac users are 1.3 and 1.2. The software belongs to System Tools.
From the developer:
Seven different groups for the Keystroke button are available upon installing the ioCentre software. The system group allows you to perform several functions such as minimize, maximize, show desktop, launch various programs, open the Music or Picture folder, or access Finder.
You may want to check out more software for Mac, such as PDFGarden, AppMenuBoy or Folder Lister, which might be related to ioCentre.