The FileCloud server is self-hosted and gives me the ability to store and share files, sync across different devices and back-up all documents and photos so that I don't have to worry about security.
BoxCryptor - Boxcryptor encrypts your sensitive files before uploading them to cloud storage services like Dropbox, Google Drive, Microsoft OneDrive, Box, and many others.
ifttt - IFTTT puts the internet to work for you. Create simple connections between the products you use every day.
Mega - Secure File Storage and collaboration
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.
Google Drive - Access and sync your files anywhere
WebDrive - WebDrive File Access Client allows you to open and edit server-based files without the additional step of downloading the file.