The following tutorial, by Stuart Sutherland of Sutherland HDL, is an updated version of a paper presented at HDLCon in March 2000. It provides an overview of the changes in the Verilog-2001 standard.

Also, at the end of this article, we list some excellent reference books on Verilog, as well as web site addresses where you can find information on numerous alternative open-source EDA projects.