BARcode to macro for calc. GPL, Free.
Macro for generating barcodes in a spreadsheet.
Code128:
https://forum.openoffice.org/pl/forum/viewtopic.php?f=28&t=1330
Code 2of5 interleaved:
https://forum.openoffice.org/pl/forum/viewtopic.php?f=28&t=1333
EAN, UPC, addon barcode:
https://forum.openoffice.org/pl/forum/viewtopic.php?f=28&t=1343
Code39, 3of9:
https://forum.openoffice.org/pl/forum/viewtopic.php?f=28&t=1347
Code11 generator:
https://forum.openoffice.org/pl/forum/viewtopic.php?f=28&t=1413