How to share photos online for free

Only professional web sites and mature that are online and have many users.

Allow 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.

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 elsewhere in the future, not deleted!)
• fotki

Related howtos

• Forum hosting sites (What are the best free online)
• Video sharing sites (What are the best free online)
• Photo publishing (What are the main free software for)

From HowTo Wiki, a Wikia wiki.