IEEE VHDL-93 LRM supported parser implemented in Java, APIs Python/Tcl
Free Liberty, UPF, SDC and VCD Parsers with Python, Java and Tcl APIs
PyAMS (Python for Analog and Mixed Signals) CAD approach
DSpice: Design and Simulation of Circuits using Spice
IEC 104 RTU Server Client Simulator Source Code Library Win Linux
A tool for low-power CMOS voltage reference designs
Integrated Development Environment (IDE) for learning HDL
A graphical Finite State Machine (FSM) designer.