oxFmWork 2.3 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. The program belongs to Audio & Video Tools. 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. This free Mac app is a product of Flexatone.
From the developer:
A simple frequency modulation synthesizer with variable envelope, dynamic modulation, vibrato, and dynamic filtering.