• Based on X-Window System
  
  
• Device Independent system
  
  
• Inherently Networked Infrastructure built-in
  
  
• The GUI need not be installed on all computers, only clients need to be.
  
  
• Different Look and Feel possible
  
  
• GUI is seperate from the OS
  
  
• Wide and open consensus to accomodate different ideas
  
  
• Free Open/Source
  
  
• Easy to use API
  
  
• Transparent and Extensible API