a parametric 3D CAD modeler
3D fractal rendering software
TFEL/MFront introduces DSLs based on C++ to handle material knowledge
A GUI library for designing gauges, meters, oscilloscopes, plotters
Advanced TECO dialect and interactive screen editor based on Scintilla
(X)BNF simple and clever translation grammar compiler
Financial Derivatives Calculator with 171+ Models (Options Calculator)
Poor Man's Build Server / build on multiple Linux clients after commit
RNA force directed layout
realtime 3d surface rendering library
Physics Game like "The Incredible Machine"
Disk diagnostic for disk/controler/driver testing
FVM2 - F Virtual Machine v2
Vienna Notation Secondary Structure Viewer
Generate an executable state machine from a high level language.