Simple Spreadsheet is a web-based Spreadsheet program similar to MS Excel, OpenOffice Spreadsheet and Google Spreadsheets.

The idea behind Simple Spreadsheet was to write a web-based spreadsheet application which uses all kinds of standards that are available around the web.

Functionality:

• Formulas
• Functions (including all Javascript functions)
• Custom functions / macros (using pure Javascript)
• Charts: line graphs, bar graphs, pie graphs, linestep graphs, scatter graphs
• Cell formatting (using full CSS)
• Cell formats (Numbers, Strings, Currencies, Dates, Times)
• Cell merging (rows and columns)
• Cell locking
• Cut/Copy/Paste with single cells or ranges of cells
• Custom column groups
• Custom names for columns and rows
• Custom styles for columns, rows and column groups
• Integration of images from the web
• Operations like deleting and inserting columns/rows
• Javascript as common data format

Usability:

• Keyboard navigation with cursor keys
• Live preview of the calculated result while typing
• Common keyboard shortcuts for cut/copy/paste, delete
• Automatic highlighting for links
• Javascript as human readable data format