The 0.4 version of Composercat 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. We recommend checking the downloaded files with any free antivirus. Composercat for Mac lies within Developer Tools, more precisely Webmaster Tools. The actual developer of this free Mac application is Ornion OÜ.
From the developer:
Composercat is a comprehensive GUI for the Composer package manager, designed both for professionals and people taking their first steps with Composer. The app can manage all your Composer configurations, update packages and even take care of updating Composer itself. There's no need to edit the composer.json file manually.
Composercat integrates seamlessly with packagist.
You may want to check out more software for Mac, such as Boks, Navicat for Oracle or WebLight, which might be related to Composercat.