F03GL - Fortran 2003 Interface to OpenGL - http://www-stone.ch.cam.ac.uk/pub/f03gl/index.html
f90gl - Interface for OpenGL and GLUT. By William Mitchell. - http://math.nist.gov/~WMitchell/f90gl/
Robert Parker Software - Plotxy allows the user, either interactively at the terminal, or though scripts, to create simple graphs in the x-y plane. It gives the user complete of control of many aspects of the graph (eg, picture size, text font, line weight, math and Greek symbols - http://mahi.ucsd.edu/parker/Software/software.html
MPLOT - Package of MATLAB-style-callable routines for plain graphics by Valery E.Grikurov, Professor of Mathematics and Mathematical Physics. RGB color scheme is used (TrueColor mode supported). - http://mph.phys.spbu.ru/~grikurov/mPlot.f90
GPLOT and XYPLOT Plotting Libraries - GPLOT can be used to plot variables from inside any Fortran program. This subroutine is not intended to replace other graphics packages, or plotx, but to rather allow the user to look at arrays of data in the middle of fortran codes. XYPLOT is also not i - http://www.eqinfo.ucsd.edu/~gprieto/software/gplot.html
DXFortran: Vectorial graphical library in DXF - Develops a vectorial graphical library in DXF (Drawing Interchange Format) format for Fortran 90 programmers. By Carlos Silva and Davide Santos. - http://www.ualg.pt/est/adec/csc/dxfortran/