Clouds

Air Cluster support the next clouds:

Google Drive

15 GB of free storage
Sign up: drive.google.com

Mega

50 GB of free storage
Sign up: mega.nz

OneDrive

5 GB of free storage
Sign up: onedrive.live.com

Dropbox

2 GB of free storage
Sign up: dropbox.com

Box

10 GB of free storage
Sign up: box.com

Naver

30 GB of free storage
Sign up: cloud.naver.com

Yandex

10 GB of free storage
Sign up: disk.yandex.com

Mail.ru

25 GB of free storage
Sign up: cloud.mail.ru

SFTP

.

WebDAV

You can add and use any WebDAV server such as:
cloudme.com,
powerfolder.com,
owndrive.com,
opendrive.com,…

Mail.com

2 GB of free storage
Sign up: mail.com

Magenta CLOUD

10 GB of free storage Sign up: telekom.de/magentacloud

Hidrive

5 GB of free storage
Sign up: hidrive.com

Datto Drive

2 GB of free storage
Sign up: datto.com

pCloud

20 GB of free storage
Sign up: pcloud.com