Download of NoNotify 1.1 for Mac was available from the developer's website when we last checked. We cannot confirm if there is a free download of this app available. The software is included in Productivity Tools. 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 actual developer of this software for Mac is App Bureauet.
From the developer:
NoNotify is a simple application that puts your Mac in the Do Not Disturb mode when you need it. The tool lives in your menu bar to let you quickly see at a glance if the focus mode is active or not. You can select the apps where you want to be undisturbed. Then, you can use your apps and enjoy the uninterrupted time to focus.
You may want to check out more Mac applications, such as DaliClock, TimeMachineGrowler or BigBen, which might be similar to NoNotify.