Inkscape is a complete software to create and manipulate vectorial images. It is fully open-source and works on multiple platforms, including Linux.

Useful tips and tutorials (in french) from Pol Grasland-Mongrain on how to use Inkscape efficiently. Thank you Pol!

A repository of useful drawings in svg format. Many are provided with an open-access licence that allows you to re-use them. You can also consider depositing your own drawings so that others can use them!

A web application that helps you write a formula in Latex code and retrieve its output. Useful if you don't have Latex on your computer or if you're not familiar with it.

A repository of useful icons and vector images (general and various topics) in svg format, under open-access licence that allows you to re-use them.

A useful documentation on R packages dedicated to data visualization