OnSong Console 2020.8.4 for Mac was available to download 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. OnSong Console for Mac lies within System Tools, more precisely Device Assistants. This free Mac app was originally designed by OnSong LLC.
From the developer:
OnSong Console for Mac is a desktop application that lets you connect to OnSong running on an iOS device like an iPad, iPhone or iPod touch. You can then edit your library including sets and books and save your changes to your device. OnSong Console for Mac is built to run on newer versions of OS X and uses your WiFi network to connect to your iOS device to modify your library.
You may want to check out more software for Mac, such as Serviio-Console, TeXor Console or VMware Remote Console, which might be similar to OnSong Console.
Utilities
E-book Tools