Excel UI, Excel Features in an Extensible Component
Modeled after Microsoft Excel, Spread includes all the must-have spreadsheet features that your application needs. Spread supports reading/writing native Excel files, cross-sheet formula referencing using the 300+ built-in functions, charting, print/print preview, grouping, searching, filtering, sorting, import/export support, editable and graphical celltypes, conditional formatting, undo/redo, data binding/unbound modes, and much more. Using the extensible object models, you have complete control. All royalty-free.