Source: http://www.sigasi.com/node/83
Sigasi HDT (Hardware Development Toolkit) is a powerful VHDL development tool that assists designers in reading, writing and modifying VHDL more accurately and faster. It differs from other development tools in that it contains an ultra-fast VHDL parser and compiler that runs transparently in the background ( http://www.sigasi.com/product ).
Through the Public Beta program, VHDL designers join a community that takes advantage of modern development techniques. To participate in the program, please visit http://www.sigasi.com/start .
By: Eeckhaut, Hendrik