PSPLOT - http://www.nova.edu/ocean/psplot.html Free Fortran-callable PostScript plotting library, by Kevin E. Kohler.
MATFOR - http://www.ancad.com/ A set of Fortran numerical and graphical libraries empowering users with run-time animation, contour plots, surface plots for gaining insights into your computation. [Shareware, 30 days trial]
F90gl - http://math.nist.gov/f90gl/ Fortran interface for OpenGL, an environment for developing portable, interactive 2D and 3D graphics applications, and GLUT.
Plot88 - http://www.plotworks.com/ Graphical library of more than fifty subroutines that produce publication-quality drawings to printers, display adapters and as Postscript, CGM, and AutoCAD DXF files. Source code available.
PGPLOT Graphics Subroutine Library - http://www.astro.caltech.edu/~tjp/pgplot/ Fortran and C-callable, device-independent graphics package for making simple scientific graphs.
gnuplotfortran - http://gnuplotfortran.sourceforge.net An API for gnuplot for Fortran 95. It uses kernel IPC, and uses fortranposix. [Open source, LGPL]
NCAR Graphics - http://ngwww.ucar.edu/ Fortran and C based software package for scientific visualization.
GKS for Microsoft Windows - http://www.fpp.uni-lj.si/~milanb/gks/ Graphics library for QuickWin programs using Compaq Visual Fortran.
DXFortran - http://w3.ualg.pt/~csilva/ Freeware graphical library in DXF (Drawing Interchange Format) format for Fortran 90 programmers.
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