The universal add-in for Microsoft Excel. Invoke operations that you define using the Absyntax framework.

The Allure is a Microsoft Visual Studio add-in platform.

Advanced Mail Merge for Microsoft Word 2007/2010, offers great extensable functionality: - Merge to document (PDF) - Merge to attachment - Use Outlook to send e-mail - Optional, leverage Microsoft Dynamics CRM for tracking

Anty spam plugin for Microsoft Outlook 2007 and 2010, based on http://www.codeproject.com/KB/cs/DNSBL_Lookup.aspx article lines version 1.x.x for MS Outlook 2007 lines version 2.x.x for MS Outlook 2010 All it's developed in <C#> VSTO 4.0

An addin for Visual Studio 2005/2008 to auto increment build versions of projects.

Visual Studio 2008/2010 version of the Eclipse IDE "Close Editors Automatically" feature. This addin closes the least recently used editor window automatically when the configured maximum number of editor windows is exceeded.

A Visual Studio add-in that enhances development functionality in Business Intelligence Development Studio (BIDS) and SQL Server Data Tools (SSDTBI).

BraceOutliner is an add-in for Visual Studio 2008. It outlines code between matching braces. For now, only C# is supported, I'm hoping to expand it to a complete code folding add-in (not just braces)

A Microsoft Outlook add-in tool which grabs the email sender's contact info and add to Outlook contacts based on configured email keyword text search rule-sets.

The Chemistry Add-in for Word allows students, chemists, and researchers to handle rich chemical structures within Microsoft Word.

Mashes, minifies, and validates your javascript, stylesheet, and dotless files. Chirpy can also auto-update T4MVC and other T4 templates.

Clone Detective is a Visual Studio package that allows you analyze your C# project for clones. A clone is region of source code that is duplicated.

Introduction Welcome to the CodePlex site for the Managed Extensibility and Add-In Team. This site will be the home to both samples and tools designed to help you make the best use of the new System.AddIn features in the .Net FX v3.5. We'll continue to use our blog http://blogs.msdn.com/clraddins/ for information and discussion about our work, but from now on we'll be hosting our samples here for easier access. The initial focus will be on two things: Bringing over samples from the team blog to this site The release of the Pipeline Builder tool For more information on our work please see our additional resources page.

A command line tool for running automation and acceptance test.

Customizable Visual Studio add-in that provides support for Javascript development - you can navigate prototype functions, move back and forth between functions, transfer lines of code to different "regions". The add-in uses Regular Expressions and can be extended to aspx.

The Code Review Add-In helps the process of reviewing code and publishing the results as work items to the Team System Server for team members to review them.

Confree lets you create audio conferences from Claro / Telmex directly from Outlook.

CopySourceAsHtml is an add-in for Microsoft Visual Studio 2008 that allows you to copy source code, syntax highlighting, and line numbers as HTML. CSAH uses Visual Studio's syntax highlighting and font and color settings automatically.

A small Visual Studio 2010 Add-in that enables you to copy your compiled class libraries in the global assembly cache from within the visual studio context menu

Cput – is the unit test framework that allow create and run tests for C++ projects. MS Visual Studio add-in makes easier to add new tests, debug and run existing. Currently support x86 C++ projects for MS VS 2005 and 2008. It's developed in C++.