Government & Public Domain
5US federal scientific agencies — fully public domain, free for any use including commercial.
NIH BioArt Source
Professional medical illustrations from NIH/NIAID artists. No restrictions, commercial use allowed.
NCI Visuals Online
Copyright-free images from the National Cancer Institute. Credit NCI when used.
NIGMS Image Gallery
Searchable scientific photos, illustrations, and videos from the National Institute of General Medical Sciences.
NIDDK Image Library
Original illustrations from the National Institute of Diabetes and Digestive and Kidney Diseases.
NLM Digital Collections
Biomedical repository from the National Library of Medicine. Free worldwide, mostly public domain.
Scientific Illustration Libraries
5Vector SVG illustrations for cells, anatomy, microbiology, labware and more.
Servier Medical Art (SMART)
Curated medical & biology illustrations designed for academic papers and presentations.
Bioicons
Free science illustrations for biologists, chemists, and ML researchers. All SVGs.
SciDraw
Community-driven repository of scientific illustrations for life sciences.
Open Science Art
Flat icons, detailed vector illustrations, and 3D molecular structures. Most content CC0.
Somersault18824
Beautifully drawn science illustrations under CC BY 4.0. Pay-what-you-want to support.
Medical & Healthcare Icons
3Open-source healthcare and clinical icon sets (SVG, PNG).
Health Icons
Open-source health icons in filled and outline styles. CC0 — no attribution required.
svg.health
Finely crafted healthcare icons, free for personal and commercial use.
FreeSVG.org (Medical)
Free vector images under CC0 — copy, modify, distribute, commercial use without attribution.
Large Biomedical Image Databases
5Searchable archives of clinical, radiological, and historical biomedical imagery.
Open-i (NLM Biomedical Image Search)
1.6M+ biomedical images from ~580,000 PubMed Central articles plus chest X-rays with radiology reports.
MedPix (NLM)
Open-access medical image database from the National Library of Medicine for teaching.
Wellcome Collection
40K+ contemporary clinical images plus 90K+ historical images from the Wellcome Library.
HEAL Collection
Health Education Assets Library — open digital materials for health sciences at the University of Utah.
CSIRO Science Image
Free science-related images from Australia's CSIRO, mostly high-resolution photographs.
Infographic Templates
3Online editors with free medical and scientific infographic templates.
Visme
Free-tier medical & scientific infographic templates with a health icon library.
Piktochart
Healthcare and science infographic templates, exportable and embeddable.
Canva — Medical Infographics
Drag-and-drop medical infographic templates with icons, charts, and vector graphics.