Open Source Image Hosting Projects
Self-hosted and open-source platforms for hosting, sharing, and managing images and media content.
Chevereto
Self-hosted image and video hosting platform. Build your own Flickr or Imgur-style media sharing site.
Alternative to: 
Flickr
Flickr
Slink
Self-hosted image sharing service with gallery support.
Alternative to: 
Imgur
Imgur
yougram
Self-hosted image sharing app that ships as a single static binary with multi-user support and shareable guest albums.
Alternative to: Imgur
Imgur