Capsim(r) C Text Mode Kernel(TMK),DSP and communication blocks, topologies, libraries and tools for the development of high performance block diagram digital signal processing and communications systems,built in interpreter for scripting.SystemC support.
ParaDef (Parametric Definition System) is a complete CAD/CAE/Product Development solution. ParaDef encompasses all aspects of product development into a single IDE, enabling rapid development of new products and in-depth analysis of existing solutions.
ReliaFree is a Python and PyGTK based suite of tools to assist in Reliability, Availability, Maintainability, and Safety (RAMS) analyses. ReliaFree is intended to be an Open Source alternative to proprietary RAMS analyses solutions.
zuphinx (say zoo'finks) is an efficient VHDL design environment.