This guide has tips on how to design a visually appealing poster. Look at the "Recommended Software" section for ideas of websites or software you can use to create the poster.
Instructions for downloading ChemDraw, which is free for UW-Madison students. (Login with NetID is required)
BioRender is a website that you can use to create figures for your poster using their templates and icons. If you use BioRender to create a figure, say "Created with BioRender.com" at the end of the figure's caption.
You do not need to do anything else to cite BioRender.