NIH BioArt (BioArt Source)
NIH BioArt is a free biomedical illustration library created by professional medical illustrators at the U.S. National Institutes of Health. It provides high-quality, scientifically accurate images of cells, organs, lab equipment, and biological processes. These visuals are suitable for research posters, classroom teaching, and scientific presentations. All artwork can be downloaded and reused without cost for academic and educational work.
Website Link: BioArt
BioIcons
BioIcons is an open-source collection of thousands of science and biology icons made for researchers, students, and educators. It includes graphics for cells, molecules, lab instruments, and experimental workflows. The icons are available in vector and PNG formats and can be freely edited and reused. It is especially useful for building custom scientific diagrams in tools like Inkscape or PowerPoint.
Website Link: BioIcons
SMART – Servier Medical Art
SMART is a free medical and scientific illustration library provided by Servier. It offers thousands of clean, professional visuals covering anatomy, diseases, laboratory science, and cellular biology. The images are available under a Creative Commons license and are widely used in lectures, research posters, and academic publications. It is a strong alternative to BioRender for biomedical figures.
Website Link: Smart Servier
SciDraw
SciDraw is a community-driven platform that provides free, editable scientific drawings. It includes animals, organs, lab equipment, and biological structures in vector format. The graphics can be customized easily for use in presentations, posters, and papers. Its open-license model makes it ideal for researchers who want full control over their figures.