- Global Technologies (VLSI Design Tools)
- Dolous (The Designer's Guide to VHDL, The Designer’s Guide to Verilog, The Guide to SystemC, The Guide to SystemVerilog, The Designer's Guide To PSL, Perl for EDA, Tcl/Tk for EDA)
- www.vdtk.com
- Reconf.Org (www.reconf.org)
- SOCcentral (www.soccentral.com, Tutorials, Applications Notes, White Pappers)