http://www.shoutsoft.com makes COM Express which uses CSLA. It is a sort of application generator and framework tool.

http://www.codegeneration.net/ has some useful information.

http://www.constructor4.net/default.aspx uses MDA which provides models to generate forms and more at runtime based on a conceptual design

I only breifly evaluated DeKlarit, Constructor, COM Express and Mere Mortals.
Currently use Mere Mortals as the price point was good and they seemed to be the least intrusive of the bunch.

Which tool fits the bill really depends on the type of application(s) you are creating and what parts of application code generation you would like assistance.
Some generate really aweful code that would be difficult to follow or maintain post generation without continuing to have to use the tool (e.g. DeKlarit).
Some assume you already have a database while some assume you want to create a new database.
Some help with WinForm and WebForm generation and some include support for integrating 3rd party tools into the GUI (Win or Web)?
Some only use stored procedures for data access and some will not permit stored procedures for data access.

Best of luck - I'd be very through in using each before deciding - unless you have deep pockets and can buy them all!