Downloading Penman 4.9.5 for Mac from the developer's website was possible when we last checked. We cannot confirm if there is a free download of this app available. The actual developer of this free software for Mac is Aurora Apps.
The program lies within Productivity Tools, more precisely Office 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.
From the developer:
Penman is a universal iOS app which offers a voice-driven alternative to typing notes. With speech-to-text technology, it allows you to take notes easier and faster on iPhone, iPad and Mac.
You can easily use Penman on all of your devices, no matter iPhone iPad or Mac.
With the power of Google's Speech to Text, you can seamlessly convert your words into notes and write in over 120 different languages.
You may want to check out more software for Mac, such as PDFMergeThing, iTeXMac2 or PDFViewer, which might be related to Penman.