ownCloud - ownCloud is an open source project enabling businesses to host their own cloud storage while maintaining regulatory and compliance needs.
Link Shell Extension - Link Shell Extension (LSE) provides for the creation of Hardlinks , Junctions , Volume Mountpoints...
Cyberduck - A libre FTP, SFTP, WebDAV, S3, Backblaze B2, Azure & OpenStack Swift browser.
Symlink Creator - Symbolic Link Creator. GUI for mklink (Microsoft Windows symlink utility).
Storage Made Easy - The leading Enterprise File Share and Sync solution
FileMenu Tools - FileMenu Tools lets you customize the context (right-click) menu of Windows Explorer.