Prezi - Welcome to Prezi, the presentation software that uses motion, zoom, and spatial relationships to bring your ideas to life and make you a great presenter.
Overleaf - The online platform for scientific writing. Overleaf is free: start writing now with one click. No sign-up required. Great on your iPad.
Reveal.js - A framework for easily creating beautiful presentations using HTML
TeXstudio - TeXstudio is an integrated environment for writing LaTeX documents.
Sozi - Sozi
LyX - LyX is a document processor.