Freeware graphical library in DXF (Drawing Interchange Format) format for Fortran 90 programmers.

Fortran interface for OpenGL, an environment for developing portable, interactive 2D and 3D graphics applications, and GLUT.

Graphics library for QuickWin programs using Compaq Visual Fortran.

An API for gnuplot for Fortran 95. It uses kernel IPC, and uses fortranposix. [Open source, LGPL]

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]

Fortran and C based software package for scientific visualization.

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.

Free Fortran-callable PostScript plotting library, by Kevin E. Kohler.

Consists of a range of graphics calls which are straightforward to add to programs written in languages such as Fortran and C. It is simple to provide a `quick look' facility to a program, and it takes a little more effort to produce `presentation quality' output.