WebDrive - WebDrive File Access Client allows you to open and edit server-based files without the additional step of downloading the file.
Double Commander - Double Commander is a cross-platform open source file manager with two panels side by side.
ifttt - IFTTT puts the internet to work for you. Create simple connections between the products you use every day.
Total Commander - A Shareware file manager for Windows® 95/98/ME/NT/2000/XP/Vista/7, and Windows® 3.1.
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.
XYplorer - File Manager for Windows