In order to know which extensions are available in gvSIG 1.12 and install them run the Add-ons manager within gvSIG (menu Tools > Add-ons manager, and select the "Installation from URL" option).

The main official extensions available in a final version are the following:

• Network: org.gvsig.graph (1.1.0-1241 version)
  • New features: Speed improvements, Export route as layer.
• Normalization: org.gvsig.normalization
• Synchronization with gvSIG Mobile

The main official extensions available in development are the following:

• Topology: org.gvsig.topology
• Remote Sensing: org.gvsig.remotesensing