Neo4j 1.2 API

Graph database

org.neo4j.graphdb	The graph database API used by Neo4j.
org.neo4j.graphdb.event	Event framework.
org.neo4j.graphdb.index	Integrated API for node and relationship indexing.
org.neo4j.graphdb.traversal	Traversal framework.
org.neo4j.kernel	Implementation for embedding a Neo4j graph database in an application.

Index

org.neo4j.index	Provides indexing capabilities to the Neo4j graph.
org.neo4j.index.lucene	An indexing implementation using Apache Lucene as backend.
org.neo4j.index.timeline	A utility for indexing nodes ordered by a timestamp.

Graph algorithms

org.neo4j.graphalgo

Scalable graph algorithms like shortest path and others for Neo4j which can be easily accessed via GraphAlgoFactory.

Online backup

org.neo4j.onlinebackup

Backup of a running Neo4j instance.

Management

org.neo4j.management

Management support using JMX.

Remote

org.neo4j.remote	A tool for introspecting a running Neo4j Graph Database instance from a different process.
org.neo4j.remote.transports	Transport protocol implementations for Remote Graph Database.

Helpers

org.neo4j.helpers	Common Java utilities.
org.neo4j.helpers.collection	Collections utilities - Iterator/Iterable utilities and creating Maps.