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
Poor Man's Build Server / build on multiple Linux clients after commit
Disk diagnostic for disk/controler/driver testing
Generate an executable state machine from a high level language.