• Plug into existing software for additional functionality
  
  
• Less expensive than complete packages
  
  
• Easier to learn because they are extensionsof familiar software packages
  
  
• May not offer the functionality of complete stand-alone packages
  
  
  

Stand-alone Software Packages

• More expensive than plug-ins
  
  
• May require a more lengthy training process because the software may not be similar to any other familiar programs
  
  
• Are often geared toward a particular type of the variable information publishing market
  
  
• Offers more functionality than plug-ins

Listed below are developers of software tools
that assist in the implementation of a variable data workflow.