wxMEdit, Cross-platform Text/Hex Editor, Improved Version of MadEdit
A New Programming Language for FPGA Projects
Verilog Finite State Machine (FSM) Code Generator
A free cross-platform editor for the DRAKON visual language.
Electronic design and programming tools suite like Eagle, MpLab
Powerfull pre-processor
A graphical Finite State Machine (FSM) designer.
Library of Approximate Adders
VHDL Design Tool - code generation and project management
C++ Verilog macro preprocessor