Book by James M. Lee. Details on the book and a interactive Verilog FAQ.
http://www.jmlzone.com/
Generic Large-capacity RAM Model, Analog-to-Digital Converter Model, Finite Impulse Response (FIR) Filter, Image Processing Cache Register Array (IPCRA), Carry Look Ahead Blocks, Synchronizer Scaler, Heap Sort Parallel, Simple RAM Model, Spectrum Spreader, 32-bit Demultiplexer, 6-port Register File, BIST Circuits models.
http://www.doulos.com/knowhow/vhdl_models/
Links, programs, archives, news. [Association for Computing Machinery: ACM]
http://jamaica.ee.pitt.edu/
A graphical tool for capturing, drawing, editing, and navigating hierarchical block-diagrams, and for producing corresponding structural VHDL code.
http://www.atl.external.lmco.com/rassp/vgui/
Offers ASIC and FPGA design and verification services, drivers and tools. Includes product and service overview and PDF detailed product specifications available.
http://www.calyptech.com/
an extensible VHDL 93 analyzer/simulator supporting parallel simulation across a variety of hardware platforms.
http://www.ececs.uc.edu/~paw/savant/
Provides Verilog HDL and Verilog PLI training workshops and consulting services.
http://www.sutherland-hdl.com/
Analog-to-Digital Converter, Shift Register, Simple RAM Model, Universal Asynchronous Receiver (UAR), 8-bit x 8-bit Pipelined Multiplier models.
http://www.doulos.com/knowhow/verilog_models/