For presentation, articles and posters

Free apps for drawing/animation
  1. GIMP (opensource Adobe Photoshop for raster graphics + PhotoGimp – Adobe Photoshop interface for Gimp users),
  2. Inkscape (opensource Coral Draw/Adobe Illustrator for vector graphics)
  3. Krita (opensource Procreate for 2D animation and paintings)
  4. Blender (opensource 3ds Max for 3D animation, drawing, modelling, etc; we love this app 🥰).
Images, figures and icons
  1. Free wonderful black and white images of animals, plants, and other life forms – PhyloPic
  2. A free repository of high quality drawings of animals, scientific setups, etc. – SciDraw
  3. A web-based tool to create professional scientific figures – BioRender
  4. Free biological figures and icons – BioIcons

Design
  1. Poster design blogposts – one