Microsoft Webmatrix is a free web development tool that includes everything required to create small and medium-sized web applications. Everything is installed on a local PC during development. When the site is ready for the internet Webmatrix has a single launch button.
It is a platform from Microsoft aimed at providing a fast and lightweight way to develop dynamic web content. "Dynamic - driven by a SQL database." This platform consists of many individual component parts that go together to create a complete web development environment.
Webmatrix comes standard with a HTML / CSS / Jquery editing tool, a compact SQL database engine, SEO evaluation tool and a launching helper.