| Name | Description | Type | Package | Framework |
| ACL | Class | org.apache.zookeeper.data | Apache Zookeeper | |
| AsyncCallback | Interface | org.apache.zookeeper | Apache Zookeeper | |
| CreateMode | enum CreateModeextends Enum | Class | org.apache.zookeeper | Apache Zookeeper |
| FourLetterWordMain | Class | org.apache.zookeeper.client | Apache Zookeeper | |
| Id | Class | org.apache.zookeeper.data | Apache Zookeeper | |
| KeeperException | Class | org.apache.zookeeper | Apache Zookeeper | |
| LogFormatter | Class | org.apache.zookeeper.server | Apache Zookeeper | |
| PurgeTxnLog | this class is used to clean up the snapshot and data log dir's. | Class | org.apache.zookeeper.server | Apache Zookeeper |
| QuorumPeerMain | When the main() method of this class is used to start the program, the first argument is used as a path to the config file, which will be used to obtain | Class | org.apache.zookeeper.server.quorum | Apache Zookeeper |
| ServerAdminClient | Class | org.apache.zookeeper | Apache Zookeeper | |
| Stat | Class | org.apache.zookeeper.data | Apache Zookeeper | |
| StatPersisted | Class | org.apache.zookeeper.data | Apache Zookeeper | |
| StatPersistedV1 | Class | org.apache.zookeeper.data | Apache Zookeeper | |
| UpgradeMain | This class upgrades the older database to a new database for the zookeeper | Class | org.apache.zookeeper.server.upgrade | Apache Zookeeper |
| WatchedEvent | A WatchedEvent represents a change on the ZooKeeper that a Watcher is able to respond to. | Class | org.apache.zookeeper | Apache Zookeeper |
| Watcher | This interface specifies the public interface an event handler class must implement. | Interface | org.apache.zookeeper | Apache Zookeeper |
| ZooDefs | Class | org.apache.zookeeper | Apache Zookeeper | |
| ZooKeeper | This is the main class of ZooKeeper client library. | Class | org.apache.zookeeper | Apache Zookeeper |
| ZooKeeperMain | The command line client to ZooKeeper. | Class | org.apache.zookeeper | Apache Zookeeper |
| ZooKeeperServerMain | This class starts and runs a standalone ZooKeeperServer. | Class | org.apache.zookeeper.server | Apache Zookeeper |