Apache ZooKeeper 
For the latest information about Apache ZooKeeper, please visit our website at:
and our wiki, at:
https://cwiki.apache.org/confluence/display/ZOOKEEPER
Packaging/release artifacts
Either downloaded from https://zookeeper.apache.org/releases.html or found in zookeeper-assembly/target directory after building the project with maven.
apache-zookeeper-[version].tar.gz
Contains all the source files which can be built by running:
mvn clean install
To generate an aggregated apidocs for zookeeper-server and zookeeper-jute:
mvn javadoc:aggregate
(generated files will be at target/site/apidocs)
apache-zookeeper-[version]-bin.tar.gz
Contains all the jar files required to run ZooKeeper
Full documentation can also be found in the docs folder
As of version 3.5.5, the parent, zookeeper and zookeeper-jute artifacts are deployed to the central repository after the release is voted on and approved by the Apache ZooKeeper PMC:
https://repo1.maven.org/maven2/org/apache/zookeeper/zookeeper
Contributing
We always welcome new contributors to the project! See How to Contribute for details on how to submit patches as pull requests and other aspects of our contribution workflow.