LibreOffice Writer is the free and open-source word processor and desktop publishing component of the LibreOffice software package and is a fork of OpenOffice.org Writer.

Writer is a word processor similar to Microsoft Word and Corel's WordPerfect with many similar features, and file format compatibility.

[4][5] LibreOffice Writer is released under the Mozilla Public License v2.0.

[3] As with the entire LibreOffice suite, Writer can be used across a variety of platforms, including Linux, FreeBSD, macOS and Microsoft Windows.

Ecosystem partner Collabora uses LibreOffice upstream code and provides apps for Android, iOS, iPadOS and ChromeOS.