The Java Graph Visualization and Layout suite includes JGraph, a "free Swing-style component with source code, 140k in size, feature-rich, fully documented and commercially supported." Features include:

• Provides zooming, folding, undo, drag and drop, more
• Operates on various backends, XML files to databases or other systems, such as LDAP, JMX, J2EE
  
• 100% pure Java, integrates into Swing component class hierarchy, based on Swing MVC pattern
  
• Fully standards-compliant, code complies with the Java Code Conventions
  
• Can be used in rich clients and on the server-side
  

License LGPL

Language Java

Platform Cross Platform