Microsoft has released IIS Express 7.5 and WebMatrix and made them available as free download.
WebMatrix is a complete Web development stack for pragmatic developers. WebMatrix is the IDE which elegantly integrates a Web server (IIS Express), database (SQL Compact) and programming frameworks (ASP.NET and PHP) into a single, integrated experience.
IIS Express is a simple and lightweight version of IIS that is optimized for developers. It is free, supports the powerful features of IIS, and can run on Windows XP and above.
- Read more about IIS Express 7.5 and download it here.
- Read more about WebMatrix and get is using the Web Platform Installer here.
- More about the WebMatrix announcement here.