A C library for creating Excel XLSX files. [BSD-2-Clause] website

A C++ library for reading, writing, creating and modifying Microsoft Excel® (.xlsx) files. [BSD-3-Clause]

Read binary Excel files from C/C++ [BSD-2-Clause]

C library for reading and writing .xlsx files. [MIT]

C++ library for creating and modifying Microsoft Word (.docx) files. [MIT]

an open source library to extract valid data from within Spreadsheets. [MPL/GPL-2/LGPL-2]

XLSX files writer for Microsoft Excel 2007 and above. [zlib]