I highly recommend FoxFire from MicroMega Systems.

http://www.micromegasystems.com/foxfire/foxfire.htm



>Guys and Gals,
> How can I allow end users to customize reports in an exe? Is it as simple as MODIFY REPORT? Do .frx files need to be excluded? I have never allowed customization before so if someone can point me in the right direction i would appreciate it!