Download of Silicio 3.4.4 for Mac was on 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. Silicio for Mac lies within Audio & Video Tools, more precisely Editors & Converters. This free Mac application is a product of Jan Bolz.
From the developer:
Silicio is a mini player and a today widget that allows you to see and control your music. Alongside iTunes with Apple Music and Beats 1, a wide range of music players is supported.
You may want to check out more software for Mac, such as Screenflick, iSubtitle or MakeiPhoneRingtone, which might be related to Silicio.