.docInput is an add-in for Microsoft Word 2007 & Word 2010.
Outlook Explorer 2010 is a free CRM add-in for Microsoft Outlook 2010.
WSE is add-ins to Microsoft Visual Studio .Net and Microsoft .Net Framework.
Set of 20 different add-ins for Microsoft Outlook.
ViEmu is a an add-in for Microsoft Word and Microsoft Outlook.
Individual Software Inc.
It teaches you all the advanced functions of Microsoft Word 2010.
Annotate for Word is a simple (but mighty!) add-in for Microsoft Word.
Liyana Mahaththaya Word is a free-to-use add-in for Microsoft Word.
Add-in Express Ltd.
Add-in Express Toys VSTO is a free sample add-on for Microsoft Word.
Regents of the University of California
Fun4Word is an add-in for Microsoft Word and has 69 functions.