5/5 - (1 vote) offers freely usable visuals under a lenient license:

Permitted uses:

Free download for commercial and non-commercial purposes.
No permission required, though attribution is appreciated.

Prohibited uses:

Selling images without significant alteration.
Compiling images to replicate Unsplash or similar services.

License details:

Irrevocable, nonexclusive, global copyright license.
Allows downloading, copying, modifying, distributing, and using images for free, including commercial purposes.
No need to attribute the photographer or Unsplash.
This license excludes compiling images to replicate similar services.