WPS Server
ZOO-Kernel is a powerful server-side C Kernel able to manage and chain WPS services
WPS Services
ZOO-Services is a collection of ready to use WPS services based on open source libraries.
WPS API
ZOO-API is a server side Javascript library for creating and chaining WPS Services.
WPS Client
ZOO-Client is a JavaScript library for interacting with WPS Services.