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…

Mathway - Mathway is a freemium math solving app that helps you find the solutions to any math problem you can imagine.

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.

MyScript Calculator - Perform mathematical operations naturally using your handwriting.

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

Math.com - Math.