iWork - Numbers Alternatives for Linux

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.

EtherCalc is a free and open-source web-based spreadsheet application designed for real-time collaborative editing. It allows multiple users to simultaneously view and edit the same spreadsheet directly in a web browser without requiring any software installation, making it ideal for collaborative data entry and basic calculations.