ifttt - IFTTT puts the internet to work for you. Create simple connections between the products you use every day.
imapsync - Console-based utility for migrating IMAP mailboxes.
Air Explorer - Air Explorer is a software to manage all your multiple cloud drives (like Dropbox, Onedrive, Google Drive, Mega, Mediafire, Box, Hidrive, Yandex, Baidu,...) as well as WebDav and FTP connections.
Gmvault - Backup the emails in your Gmail account.
FileCloud - FileCloud is an enterprise file share, sync and mobile access solution.
Cryoserver - Cryoserver is an all-in-one email archiving solution that empowers you to preserve your email in a tamper-evident archive, making you transform your data into a useful archive for everyday use.