Gnumeric
A fast, precise spreadsheet from the GNOME project.
Instead of Excel, Google Sheets
Screenshot from www.gnumeric.org, taken 2026-10-23, shown to help you recognise the tool. It belongs to its maker. Ask us to remove it.
Gnumeric is a lean spreadsheet that opens large files quickly and has a good reputation for accurate calculations. It is open source and saves in standard formats.
Development has been quiet in recent years, which we have not checked in detail, so Longevity is a 3.
- A lean spreadsheet that opens large files quickly
- Open source, saves in standard formats
- Development has been quiet
What stands out
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For comparison, we also reviewed Microsoft 365 (15/30) as a benchmark.
Other tools for “write, calculate and present”
- LibreOfficeA full office suite for documents, spreadsheets and slides, from a foundation.
- EtherpadA simple shared text page that several people can edit at once.
ONLYOFFICEAn office suite that looks like Microsoft's and works in the browser.
Collabora OnlineLibreOffice in the browser, with real-time editing.