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Octave
OpenUniverse
Optgeo
Parley
PerlPrimer
Planets
Polygen
Praat
PSPP
Pyacidobasic
QuteMol
RasMol
Relational
Rocs
SAGA
SeaView
ShelXle
Skycat
Spatialite-GUI
Stellarium
Step
Therion
TikZiT
TOPCAT
Type Speed
udav
Virulence Finder
wxMaxima
Xplanet