Kingsoft Spreadsheets Alternatives for Mac OS X

LibreOffice Calc is a powerful and free spreadsheet application, part of the LibreOffice suite. It offers extensive functionality for creating, editing, and managing spreadsheets, including complex calculations, data analysis, charting, and compatibility with various file formats, including Microsoft Excel.

Apache OpenOffice Calc is a powerful spreadsheet application for analyzing, managing, and presenting data. Part of the OpenOffice suite, it offers a comprehensive range of functions for both casual users and data professionals, providing a free and open-source alternative for handling numbers and lists effectively.

Gnumeric is a powerful, open-source spreadsheet application developed as part of the GNOME Free Software Desktop Project. It offers a comprehensive set of features for numerical analysis, data visualization, and general spreadsheet tasks, providing a viable alternative to commercial spreadsheet software.

Apple Numbers is a powerful yet easy-to-use spreadsheet application for macOS, iOS, and iPadOS. Part of the iWork suite, it offers a visually appealing interface, real-time collaboration, and seamless integration across Apple devices, making complex data analysis and visualization accessible to everyone.

NeoOffice is a robust office suite specifically designed for macOS users. It provides a comprehensive set of tools for word processing, spreadsheets, presentations, drawing, and databases, directly integrating with the macOS environment.