Albumen: the open-source alternative to iCloud Photos, Google Photos and Frame.io.
Free
One server, in files & storage. Albumen: the open-source alternative to iCloud Photos, Google Photos and Frame.io.
Files & Storage
Albumen: the open-source alternative to iCloud Photos, Google Photos and Frame.io.
The rest either hold an API key issued by the publisher or ask for nothing.
Listed without a verification tick. Read the listing before installing.