Presentation apps for Linux

Android Virtual Pen

Capture android pen input on Linux

Office Graphics Education

Cantara

Song Presentation in Churches

Office Presentation

Floodlight Presenter

Free, libre, open source presentation and lyrics program

AudioVideo Presentation

ONLYOFFICE Desktop Editors

Office productivity suite

Office WordProcessor Spreadsheet

Spice-Up

Create simple and beautiful presentations

Office Presentation

Weylus Community Edition

Use your tablet as graphic tablet/touch screen on your computer

Office Graphics Education