Inkscape - Inkscape is a free, open source professional vector graphics editor for Windows, Mac OS X and Linux.

MathCast - MathCast is an equation editor, an application that allows you to input mathematical equations.

LaTeXDraw - LaTeXDraw is a graphical drawing editor for LaTeX.

MathType - The Professional version of Equation Editor- MathType is a powerful interactive tool for Windows and Macintosh that lets you create mathematical notation for word processing, web pages, desktop publishing, presentations, and for TeX, LaTeX, and Math…

Ipe - Ipe is a drawing editor for creating figures in PDF or (encapsulated) Postscript format.

KLatexFormula - KLatexFormula is an easy-to-use graphical application for generating images (that you can drag and...