Gmsh Mesh Generator
Genius Math Tool
Gnumeric
GNU Radio Companion
GPeriodic
Gpredict
GpsPrune
Grace
GraDS - Grid Analysis and Display System
gretl
Gridmap Navigation Simulator
GSpectrum
Gvb
Gwyddion
HDFCompass
ImageJ
wxMaxima
IRAF
Jalview
Jemboss
KAlgebra Mobile
Stereo camera & Kinect Calibration
Interactive Viewer for 3D Vector Graphics
Lepton EDA Attribute Editor
Lepton EDA Schematic Editor