Training materials
Authors: Martin Čech or Torsten Houwaart
and Contributors: Björn Grüning or Brane Leskosek or Dr. Scooter Morris or Jamie Edwards or Juha Tornroos or Manimozhiyan Arumugam or Marek Suchanek or Nicola Mulder or Rafael C Jimenez or Sonika Tyagi or The Carpentries