LibreOffice is a free and open source office suite, developed by The Document Foundation. It was forked from OpenOffice.org in 2010, which was an open-sourced version of the earlier StarOffice. The LibreOffice suite comprises programs for word processing, the creation and editing of spreadsheets, slideshows, diagrams and drawings, working with databases, and composing mathematical formulae. It is available in 110 languages.

LibreOffice (parfois abrégé en LibO ou LO notamment sur les forums de discussions) est une suite bureautique libre et gratuite, dérivée du projet OpenOffice.org, créée et gérée par .