JGraph is surprisingly small and supports drag and drop and all the selection modes and display/editing options you might expect.

JGraph is easy-to-use, feature-rich and standards-compliant open source graphcomponent available for Java.

• Integrate JGraph into your application to get "out-of-the-box" graphing
• Enjoy an open source core technology topped with products and services
• Reduce cost with a standard API known to most professionals in the field
• Customize folding, undo, drag and drop and more with few lines of code
• Provides zooming, folding, undo, drag and drop and much more
• Operates on various backends from XML files to databases or other systems, such as LDAP, JMX, J2EE etc.
• 100% pure Java, integrates into the Swing component class hierarchy, based on the Swing MVC pattern
• Fully standards-compliant, code complies with the Java Code Conventions
• Can be used in rich clients and on the server-side
• Works with Java 1.3, 1.4 and 5.0

Use it for:

• Organizational charts
• Process model visualization tools
• Graphical workflow designers
• Electronic circuit layouts
• Entity-relationship & cause-effect diagrams
• Anything that needs a graph model representation

Why buy the commercial version?

The commercial distributions contain the following additional material:

• User Manual - The complete guide to building your JGraph application, saves time and money
• Support - The option of 30 days or 12 months technical support from the experts
• Simpler License Auditing - No source code redistribution requirements
• JGraph Updating Guide - Explains, issue by issue, how to update to the latest JGraph versions
• Adapter Example and Notes - A transactional layer to keep your graph cells and back-end in sync. Supports command history
• Fastgraph Example and Notes - Example on how to optimize your performance and memory footprint for huge or complex graphs