- Digital Core Design - VHDL, Verilog synthesizable and simulation models.
- Doulos KnowHow - Designer's guides and models for VHDL and Verilog. SystemC home. Also Perl and Tcl/Tk for hardware designers resources.
- HDL at Wikipedia - Definitions, resources, and links related to hardware description languages.
- Ruby - Ruby is a notation and design discipline intended for the development of regular integrated circuits and similar hardware and software architectures.
- Titivillus: Software Development - Links to many programming languages, including several HDLs.
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