An alternative is also http://calcfusion.com/ http://calcfusion.com/ ( disclaimer, I work there and we just launched ). It uses xls spreadsheets and is more ori

An alternative is also http://calcfusion.com/ http://calcfusion.com/ ( disclaimer, I work there and we just launched ). It uses xls spreadsheets and is more oriented towards business rules and computations. There are some nifty features like audit and versioning, automatic html form building etc...