There are many tools in the market for ArchiMate (the modelling language for enterprise architecture).  I’ve come across a handful of very good free resources that may be of use to others:

• Archi – the free and open source ArchiMate modelling tool. Unbeliveable that this tool is free given the price of some of the other tools in the market. Available from http://www.archimatetool.com/
• Visio stencils.  There are a couple of good free Visio stencils out there. Available from:
  • https://www2.opengroup.org/ogsys/jsp/publications/PublicationDetails.jsp?catalogno=i124
  • http://www.orbussoftware.com/resources/starter-packs/archimate-starter-pack/