My name is Sergey and I'm developer of project BaDa - Build A Database Application.
With BaDa you can build useful web based applications that turn data into information. But unlike other web based tools such as ZoHo, BaDa places no restriction on what you can do since it is open source.
In version 1.0 you can define materials and relate them to each other, define listing and forms and create custom dashboards all the while controlling access via sophisticated user controls.
And version 1.0 is only the start. With your interest and support, we plan to build an application that will make the effort to build an online database app child's play.
So please download a copy of BaDa today and tell me what you think!:)