VHDL 2008/93/87 simulator
NumPy aware dynamic Python compiler using LLVM
Vectorized libm
The EPICS SNL Compiler and Sequencer
(X)BNF simple and clever translation grammar compiler
Scimark for Delphi/Lazarus/Free Pascal
Growth-grammar related Interactive Modelling Platform
small console GML or graphviz DOT graph viewer
OpenM++: open source microsimulation platform
Python in the Browser
Natural Language Compiler
Electronic design and programming tools suite like Eagle, MpLab
An HDL alternative to PCB graphical schematic capture tools.
Magda language resource site