This site, extendvs.com, has a simple mission: to expand the public knowledge based for building extensions for Visual Studio Windows and Mac.

wwww.extendvs.com is an open source and MIT licensed site; please contribute and help grow the knowledge base for Visual Studio extensibility.

Getting Started

Setup your environment for extension development and write your first extension.

Api Overview

An overview of the common concepts and APIs in Visual Studio extensibility.


The accompanying samples for this site.


Useful tools to assist you when developing Visual Studio extensions.

A gallery of open source extensions including an overview of the core concepts they demonstrate.


A glossary of core terminology for Visual Studio extension development