The 4.4 version of Gitify for Mac was available to download on the developer's website when we last checked. We cannot confirm if there is a free download of this app available. The actual developer of this free Mac application is Emmanouil Konstantinidis. Please check the Mac app with an antivirus before launch as it is downloaded from the developer's website, and we cannot ensure that it is safe. The software lies within Productivity Tools, more precisely Office Tools.
From the developer:
Gitify is an open source GitHub notification tool for Mac OS. Sitting on your menu bar it informs you for any GitHub notifications without being annoying and of course without adverts. This app will notify you every time you receive a notification by playing a sound.
You may want to check out more software for Mac, such as Gitifier, which might be similar to Gitify.