Pympress is a PDF presentation tool designed for dual-screen setups
such as presentations and public talks.  Highly configurable,
fully-featured, and portable

It comes with many great features:

- supports embedded gifs (out of the box), videos, and audios (with
  VLC or Gstreamer integration)

- text annotations displayed in the presenter window

- natively supports beamer's *notes on second screen*, as well as
  Libreoffice notes pages!
