1)   CRiSP Programmers Editor 9.3
CRiSP is a Brief Compatible Pprogrammers text editor designed to give user the power and flexibility to edit large files on multiple Unix, Linux, Windows and Mac platforms.

 2)   ED for Windows 4.12.0.0
ED is a smart language sensitive programmer's editor, with a breadth and depth of powerful editing capabilities you're unlikely to find elsewhere. ED goes beyond editing with its Source Database Engine, unmatched Visual File Compare, Compiler support

 3)   Testbench Tool 2.01
Powerful tool to automate creating VHDL testbenches. Supports complex patterns and repeats to describe tests. Modular. Flexible - any variable can be include not just signals. Plot preview. Simulator displays descriptions as tests run.