WorkplaceX is an open source framework to build enterprise business applications on top of existing SQL Server Databases. It can be hosted on premise or in the cloud.
Allow thousands of users to access and manage your companies data in a controlled manner. Be flexible and evolve business models as the marked changes.
See a live example: http://demo.WorkplaceX.com
Or download the source code here: ApplicationDemo
Additionally, WorkplaceX business applications run also embedded in SharePoint or on any company web page. This is how it works: EmbeddedApplication. And this is how it looks like (Beta Release):