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.
ifttt - IFTTT puts the internet to work for you. Create simple connections between the products you use every day.
Haystack Search - Haystack helps you make the most of your time, by searching all your files and documents in the cloud in one place. It's been built for privacy from the ground up, so your data isn't stored on a server, just your computer.
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.
MailJack+ - Send PDFs as postal mail
ExpanDrive - ExpanDrive is a fast network drive and browser for cloud storage.
Paperkit - Create and download custom graph, lined, or dot grid paper