Open Access Images
The following sites maintain good lists of museums, galleries, etc. that provide images with open licenses or in the public domain.
- Open access image libraries – a list | Apollo Magazine
- High Quality Collections of Digitized Art and Archival Finds | simon sarris
The next resources seems to be meta-collections of open access images.
- Medium: Images – Collections – The Public Domain Review
- Public Domain Free Creative Commons Images | rawpixel
Next are some museums that allows you to search their image collections and filter the ones that are open access.
- Cleveland Museum of Art
- The Metropolitan Museum of Art
- The Art Institute of Chicago
- SMK Open
- Louvre site des collections
Next are social sites that allow individuals to upload and share their work with open licenses.
This next resource is a "visual search engine" that allows you to search across several of the resources above.
This last resource is a custom Google search engine created by Austin Kleon that searches across many of resources provided by the first set of resources above.
You've found yourself on the site of Travis Ennis, a software engineer who lives in Indiana. If you'd like, you can contact me.