Greedy Intelligence Inc.
This Word plugin easily helps you proofread documents.
Simplify repetitive operations in MS Word with additional tools.
A program for converting Microsoft Word documents into LaTeX and XML formats.
Microsoft Math Add-in performs mathematical calculations.
An add-in for Windows Live Writer for adding Bible content to your blog.
This Word extension can help you create PDF documents.
This is a step-by-step algebra equation solver for Windows.
A template-based Word plugin to speedup creation of letters, memos, faxes, etc.
Design Science, Inc.
Edit mathematical equations for Word files, web pages, and LaTeX documents.
A free Windows text-to-speech plugin for Microsoft Word.
Add-in Express Ltd.
Add-in Express Toys .NET is a free Word COM add-in / plugin.
A free software plugin that allows you to add images to word.
The Paste from Word to WordPress plugin produces reasonable HTML.
Text Software Limited
Markdown plugin for MS Word that lets you use styles to structure your document.
Edit mathematical formulas or equations, plot and evaluate equations, and more.
Plot math equations and scatter points using equations and data points.
G. Bard Ermentrout
XPP is a tool for solving differential equations, delay equations and more.