Zookmarks 1.0 for Mac was available to download from 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 software for Mac is SpicedPixels. 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 application lies within Internet & Network Tools, more precisely Browser extensions.
From the developer:
Zookmarks is a desktop application for servicing the Zootool service. With the use of Zookmarks you get a full access to your bookmarks and your friends added in the service. You can filter the bookmarks (pictures, documents, videos, websites) and search by a title, tags or an url address. You have also a possibility of viewing the most popular entries on a particular day, week or month.
You may want to check out more Mac applications, such as Delete Flash Cookies, Subio or RSS Checker, which might be related to Zookmarks.