Here can be found a list of various slides, papers and videos (available also from "Download area").
MEMPHYS Uppsala. October 2017.
MEMPHYS=>Lund/iridium. July 2017.
The Frameworks of Wrath. April 2017.
HSF and visualization. My two cents.April 2017.
HDF5. LSST France 2017 (French).
Feedback on some iOS and Android usage in HEP and Astronomy. JoSy Oct/2/2016 (English).
Retours d'experiences iOS et Android en HEP et Astro. JoSy Oct/2/2016 (French).
De la visu (3D) pour l'astronomie. April 2016 (French).
Analysis Tools in Geant4 10.2 and 10.3 (paper). CHEP 2016.
g4tools and Geant4 analysis. CHEP 2016 poster.
The below points to LAL web area, but are also available on YouTube (search "Guy Barrand" channel).