Thunderbird
Office
Free desktop email, calendar and contacts from Mozilla.
Available for Windows, macOS, Linux, Android

Free office editors with a familiar ribbon layout and strong .docx fidelity.
Official source: onlyoffice.comLast verified: awaiting review · How we check softwareDeveloper: Ascensio System
Free office editors with a familiar ribbon layout and strong .docx fidelity.
Open Source Free and open source
Open source: the source code is public, so anyone can inspect it, and it's free to use.
Prices change, so check onlyoffice.com for current pricing.
PS> winget install --id ONLYOFFICE.DesktopEditors --exact --source wingetInstall ONLYOFFICE Desktop with the rest of your Windows setup
$ brew install --cask onlyofficeInstall ONLYOFFICE Desktop with the rest of your macOS setup
$ flatpak install flathub org.onlyoffice.desktopeditorsInstall ONLYOFFICE Desktop with the rest of your Linux setup
Package names were checked against each official package registry, and commands install the same software as the official download. Only run commands you understand.
Office
Free desktop email, calendar and contacts from Mozilla.
Available for Windows, macOS, Linux, Android
Free and open source. It's also open source.
ONLYOFFICE Desktop is available for Windows, macOS, Linux, Android and iPhone & iPad.
Yes. Run "winget install --id ONLYOFFICE.DesktopEditors --exact --source winget" in PowerShell or Windows Terminal. The package ID was checked against Microsoft's official Winget repository.
Yes. Run "brew install --cask onlyoffice" in Terminal.
Common alternatives include LibreOffice and Microsoft 365. See the full list of ONLYOFFICE Desktop alternatives for how they differ.
From the official website, onlyoffice.com, or from Google Play. Aptorise links only to official sources and never hosts installers.