libzookeeper-mt-dev 3.3.4+dfsg1-2ubuntu3 (i386 binary) in ubuntu precise

 ZooKeeper is a centralized, reliable, service for maintaining configuration
 information, naming, providing distributed synchronization, and group
 services. All of these kinds of services are used in some form or another by
 distributed applications.
 .
 This package contains the development files for the multi threaded C bindings.