LaTeXML - In brief, latexml is a program, written in Perl, that attempts to faithfully mimic TeX’s behaviour...

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…

TtM - TtM translates from Plain TeX and LaTeX into HTML including the equations in the form of embedded...

Math Magic - MathMagic Equation Editor for Desktop Publishing software & Word Processors, Adobe InDesign, QuarkXPress, MS Word, iWork, for Technical writing with very easy interface and fast input.

latex2rtf - latex2rtf is a translator program to convert LaTeX formatted text files into “rich text format”...

Visual Math Editor - LaTeX, AsciiMath and MathML editor developed in Javascript and HTML