Parts of the main Impress window - Apache OpenOffice Wiki

Parts of the main window - Apache OpenOffice Wiki

StarOffice - Wikipedia

Openoffice tools - WikiEducator

File:Openoffice3.1.0 impress.png - Wikimedia Commons

The Writer workspace - Apache OpenOffice Wiki

Parts of the main Impress window - Apache OpenOffice Wiki

Introducing Draw - Apache OpenOffice Wiki

File:Openoffice Impress 3.4.1.png - Wikimedia Commons

Tips and Tricks - Apache OpenOffice Wiki

LibreOffice 7.0: Release Notes - The Document Foundation Wiki