Luckysheet is an online spreadsheet like excel that is powerful, simple to configure, and completely open source.
Features
Formatting: style, conditional formatting, text alignment and rotation, text truncation, overflow, automatic line wrapping, multiple data types, cell segmentation style
Cells: drag and drop, fill handle, multiple selection, find and replace, location, merge cells, data verification
Row & column: hide, insert, delete rows or columns, freeze, and split text
Operation: undo, redo, copy, paste, cut, hot key, format painter, drag and drop selection
Formulas & Functions: Built-in, remote and custom formulas
Tables: filter, sort
Enhanced functions: Pivot tables, charts, comments, cooperative editing, insert picture, matrix calculations, screenshots, copying to other formats, EXCEL import and export, etc.
