https://www.techradar.com/news/500px-closes-its-community-marketplace-and-photographers-arent-happy

The social network for photographers, 500px, has closed its community marketplace, and removed the option to distribute photos under a Creative Commons license.

500px gives a couple of reasons for the closure of its stock photo platform, saying it wants to give photographers more options, and admitted that its marketplace "hasn’t performed as well in the stock photography space as hoped".