Graphics

Formats : creation, conversion and viewing softwares

 * Postcript - EPS
 * PDF
 * DjVu


 * Ghostscript, Ghostview and GSview
 * Acrobat Reader
 * DjVu
 * Cutepdf
 * pstoedit

Free

 * gnuplot
 * xmgrace
 * Matplotlib
 * Asymptote
 * Inkscape with Tex Text extension for LaTeX formulas
 * Xfig
 * Skencil

Non free

 * Adobe Illustrator
 * Mayura
 * Matlab