Intuit's Quickbase is a perfect example of this: http://quickbase.intuit.com/ http://quickbase.intuit.com/ I was unfortunate enough to inherit a project manag

Intuit's Quickbase is a perfect example of this: http://quickbase.intuit.com/ http://quickbase.intuit.com/ I was unfortunate enough to inherit a project management system running on Quickbase, and in the end it was faster for me to re-implement it in Rails than make even small changes to the workflow.