PixelFed - PixelFed is a federated image sharing platform, powered by the ActivityPub protocol.
Olapic - Olapic is a visual marketing platorm.
DragNDropz - DragNDropz offers free image and file hosting. Create image galleries, edit and organize photos, share files, move uploaded files into folders, and more.
Like2Buy - Like2Buy makes your Instagram feed shoppable, sell products through Instagram.
IrfanView - IrfanView ... one of the most popular viewers worldwide.
Boo.st - Buy and sell everywhere using #hashtags.