Gallery Server Pro is a free, powerful, and easy-to-use open source .NET web application that lets you share and manage your photos over the web. Add photos to custom albums; thumbnail and compressed versions are automatically created. Rotate, rearrange, or add captions to your images. Includes ZIP file support. Allow anonymous browsing or restrict access to logins you specify. Web pages are valid XHTML 1.0 Strict and CSS 2.1.