js-word

LO and other openoffice suites are progeny of StarOffice, originally released in 1985. Even with such a long development history, there are deep compatibility issues which make it unacceptable for the "power users" that comprise the most profitable segment of the market. And if you really want to go down that rabbit hole of perfect compatibility, it's an absolute clusterf*ck. There are more than than 20 different 100+ page specs (some exceeding 500 pages) needed to properly parse excel files. An incomplete list (which you can find by searching for the keyword): MS-XLS, MS-CFB, MS-ODRAW, MS-ODRAWXML, MS-OGRAPH, MS-OFFCRYPTO, MS-RMPR, MS-OVBA, MS-OSHARED, MS-CTXLS, ECMA-376, MS-OLEDS, MS-OLEPS, MS-DTYP, MS-XLSB, MS-OFORMS, MS-VBAL, MS-OAUT, MS-DCOM, MS-XLSX But if you are looking to contribute to an open source project, consider some of

Any spreadsheet app should have some sort of import/export support ON LAUNCH DAY. The omission looks sloppy. Just to make it clear, it's not that hard to do it. Here's a very basic example in javascript that took roughly 3 hours of time (this parses enough of the XLSX format to generate a CSV output with a few integers and strings; requires html5 file API to be able to manipulate the file in your browser. Best results on chrome): http://niggler.github.com/js-xlsx/ source: https://github.com/Niggler/js-xlsx There's an XLS version as well (doesn't support the full panoply of features): http://niggler.github.com/js-xls/ source: https://github.com/Niggler/js-xls