ZOO is a WPS (Web Processing Service) open source project released under a MIT/X-11 style license . It provides an OGC WPS compliant developer-friendly framework to create and chain WPS Web services. ZOO is made of three parts:

• ZOO Kernel : A powerful server-side C Kernel which makes it possible to manage and chain Web services coded in different programming languages.
• ZOO Services : A growing suite of example Web services based on various Open Source libraries. (get inspired !)
• ZOO API : A server-side JavaScript API able to call and chain the ZOO Services, which makes the development and chaining processes easier.