ONLYOFFICE Desktop Editors, a free and open source office suite that offers text, spreadsheet and presentation editors for the Linux, Windows and macOS desktops, is now available on Flathub for easy installation (and update) on Linux distributions that support Flatpak.
Flathub is an app store and build service for Linux that distributes applications as Flatpak packages, which allows them to run on almost any Linux distribution.
ONLYOFFICE Desktop Editors allows creating, viewing and editing text documents, spreadsheets and presentations with support for most popular formats like .docx, .odt, .xlsx., .ods, .pptx, .csv and .odp. Its website claims it has the "highest compatibility with Microsoft Office formats".