Air Explorer support the next clouds:
As a cloud manager, Air Explorer supports the best cloud storage services. What’s more, you can add any server to Air Explorer using popular protocols such as WebDav, FTP, SFT and S3, giving you even more options for effectively storing and managing your files.
Dropbox
2 GB of free storage
Sign up: Dropbox
Mega
50 GB of free storage
Sign up: mega.nz
Google Drive
15 GB of free storage
Sign up: drive.google.com
Onedrive
5 GB of free storage
Sign up: onedrive.live.com
Onedrive for Business
No free storage
Sign up: onedrive.live.com
Onedrive for China
Box
10 GB of free storage
Sign up: box.com
Yandex
10 GB of free storage
Sign up: disk.yandex.com
Naver
30 GB of free storage
Sign up: cloud.naver.com
FTP
SFTP
WebDav
You can add and use any WebDAV server such as:
-cloudme.com,
-powerfolder.com,
-opendrive.com,
-owndrive.com,...
Mail.ru
25 GB of free storage
Sign up: cloud.mail.ru
Baidu
2 TB of free storage
Sign up: yun.baidu.com
Magenta
10 GB of free storage
Sign up: telekom.de/magentacloud
Hidrive
5 GB of free storage
Sign up: hidrive.com
pCloud
20 GB of free storage
Sign up: pcloud.com
Datto Drive
2 GB of free storage
Sign up: datto.com
Stack Storage
Sign up: transip.be/stack/
Mail.com
2 GB of free storage
Sign up: mail.com
4shared
16 GB of free storage
Sign up: 4shared.com
SharePoint Online
Sign up: office.com/sharepoint
SharePoint China
Sign up: office.com/sharepoint
AWS S3
Sign up: aws.amazon.com/es/s3/
Koofr
10GB of free storage
Sign up: koofr.eu
Backblaze
Sign up: backblaze.com
Infinicloud
10GB of free storage Sign up: infini-cloud.net
Owncloud
Sign up: ownlcoud.com
Nextcloud
Sign up: nextcloud.com
Mediafire
10 GB of free storage
Sign up: mediafire.com
ADrive
Sign up: adrive.com
Jottacloud
5 GB of free storage
Sign up: jottacloud.com
Huawei
5 GB of free storage
Sign up: huawei.com
Orange Flexible Engine
Sign up: orange-business.com
Onlime.dk
5 GB of free storage
Sign up: onlime.dk
Nutstore
Sign up: jianguoyun.com
Aliyundrive
Sign up: aliyundrive.com
Azure Blob Storage
Sign up: azure.microsoft.com
Terabox
1 TB of free storage Sign up: terabox.com