These sample applications are not anything you haven't seen before.
The cool thing is that these are easy to customize and integrate into your web site.
Evolutility can also be used to map you existing database tables and share them on your intranet, or the whole web.
The classic simple apps:
Evolutility can be setup for single- or multiple-user environments for
collaboration (sharing records and comments) or with row-level security.
More technical demos showing specific features:
In addition, because these are built on top of a standard and robust technology stack (Microsoft .NET Framework and SQL Server),
they can be hosted anywhere and scale to thousands of records and hundreds of users.