OmniGrowl 4.5.5 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 bundle id for OmniGrowl for Mac is com.wbc.omnigrowl. OmniGrowl.dmg is the most common filename for this app's installer.
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 relates to Productivity Tools. The most popular versions among the application users are 4.5 and 4.3. The actual developer of this software for Mac is Wooden Brain Concepts.
From the developer:
OmniGrowl provides many practical notifications through Growl in a single application.
It provides Growl notifications for applications that do not natively support Growl, and notifications based on online information and news.
You may want to check out more software for Mac, such as GeburtstagsChecker, QuickNote or HourGuard Time Sheet, which might be related to OmniGrowl.