OnlyOffice

OnlyOffice is an open source office suite developed by Ascensio System SIA, headquartered in Riga (Latvia). Combines text, spreadsheet and presentation editors that allow you to create, view and edit documents without an Internet connection. OnlyOffice is fully compatible with Office Open XML formats: DOCX, XLSX, PPTX.

Installation using Flatpak Unofficial build

If you have the Flatpak package, you can install OnlyOffice with one command:

flatpak install flathub org.onlyoffice.desktopeditors

Or using the GNOME Software 🤔

Follow the link to install OnlyOffice, then confirm the "open application" operation in the browser. After this, the Application Center will open, select the source "Flathub" in it and click the "download" button

Installation using epm play Unofficial build

If you have the eepm package, you can install OnlyOffice with one command:

epm play onlyoffice