Only professional web sites and mature that are online and have many users.
alow for open content
- flickr - free membership (3 photosets, 20MB/month). See also flickr graph
- ourmedia - in collaboration with the internet archive, video also
- openphoto
- buzznet
- care2 - use the Gallery2 free software.
- pictiger - Quick hassle free uploader with no registration. Provides links with thumbnails for use in forums.
does not alow for open content
category unknown
- fotothing - free membership (5 pictures/day of < 2MB)
- photoblog -
- coppermine not yet an online service but the software used to run such a service (must be moved elsewere in the future, not deleted!)
- fotki