icXL
icXL is a program for viewing spreadsheet files saved in the Excel formats xls or xlsx, and in AppleWorks cwk format for spreadsheets. It allows you to view and convert these files, even if none of your programs are capable of doing so on their own.
Neutronz Express
Adds a fully featured Command Pane (like Microsoft's Task Pane) to the Microsoft® Excel 2000 user interface. Provides simpler and quicker access to almost 400 of Excel's features. Fully programmable from the Excel IDE.
RemodelCost Estimator for Excel
RemodelCost Estimator for Excel. Remodel Construction Cost Estimator. Designed for home remodelers, builders, estimators. Built-in user-modifiable unit cost data for local city indexes and all cost categories covering remodel construction.
DoneEx Unit Converter
With few clicks of mouse you can easily create dropdown boxes of your own choices of units, from large number of units, in MS Excel cells.
HomeCost Estimator for Excel
HomeCost Estimator for Excel. Home Construction Cost Estimating System. Designed for builders, contractors, architects, adjusters. Built-in modifiable data for local city indexes, class, type and style factors, upgrade and additional feature prices.