SC-IM – Spreadsheet Calculator Improvised

Here is an interesting project – SC-IM, or Spreadsheet Calculator Improvised, which is an ncurses spreadsheet program for terminal.  Here are some of the features:

• UNDO / REDO.
• 65.536 rows and 702 columns supported. (The number of rows can be expanded to 1.048.576 if wished).
• CSV / TAB delimited file import and export.
• XLS / XLSX file import.
• Key-mappings.
• Sort of rows.
• Filter of rows.
• Cell shifting.
• 256 color support – screen colors can be customized by user, even at runtime.
• Colorize cells or give them format such as bold or underline.
• Wide character support. The following alphabets are supported: English, Spanish, French, Italian, German, Portuguese, Russian, Ukrainian, Greek, Turkish, Czech, Japanese, Chinese.
• Implement external functions in the language you prefer and use them in SC-IM.
• Use SC-IM as a non-interactive calculator, reading its input from a external script.
• More movements commands implemented !
• Input and Output was completely rewritten.

A combination of interactive and non-interactive interface seems to be particularly useful.