1.Asymptote

Asymptote is a powerful descriptive vector graphics language that provides a natural coordinate-based framework for technical drawing.

2.Eukleides

Eukleides is a Euclidean geometry drawing language. It has been designed in order to be close to the traditional language of elementary Euclidean geometry. In many cases, it makes possible to completely avoid the use of Cartesian coordinates.

3.Ghostscript

In order to display images TeXmacs relies on the Ghostscript program. This program makes it possible to display postscripts graphics in X Window applications. Other programs like tiff2ps, pnmtops, giftopnm, etc. are used to convert other image formats into postscript.

The Ghostview program is a popular postscript file viewer based on Ghostscript. It may be used in combination with TeXmacs for previewing documents before you print them.

4.TeXgraph

TeXgraph is a software for the creation of mathematical graphics, such as lines, circles, curves, surfaces, labels, etc.

5.Xfig

The Xfig program can be used for creating technical pictures, which may be included in TeXmacs documents. A nice feature of Xfig is that you may include LaTeX formulas in pictures. Furthermore, this feature may be used in combination with TeXmacs, which will call LaTeX to transform the LaTeX formula into postscript.