1)   SciWriter 2.0.16.0
SciWriter is an XML based WYSIWYM word processor that completely integrates writing mathematics and text in the same environment. The native document format of soft4science SciWriter is a subset of XHTML 1.1 and MathML 2.0

 2)   Equation Illustrator V 2.2.9
Equation Illustrator V is designed to ease the production of single page handout type documents and web graphics that include math/chemical equations simple vector graphics and pictures.

 3)   Rapid-Pi 1.2
Rapid-Pi is an add-on for Microsoft Word (and other word processors) that provides a new, fast way to enter mathematical formulas, equations and expressions into documents. Rapid-Pi's text-based input is a simply faster way to input math.

 4)   LiteralMath 2.4
Text editor with the additional capabilities of math notation and hypertext, aimed at the high school / college environment. Uses the RTF format known to Wordpad, Word. Generates HTML, so that math notation can be displayed by popular browsers.