Elderberry (Sambucus nigra) Apps are little extension for ZOO 2.0 which are optimized for different types of content catalogs like blogs, business directories and many more. ZOO 2.0 already has some basic apps on board to create websites and blogs. We developed an comprehensive app bundle to cover all kinds of purposes! All of them work out of the box and get you started right away! We will develop new apps in the near future for ZOO! Our range of apps will constantly grow.