Communifire - Enterprise Social Collaboration Software
FileZilla - FileZilla is an FTP, or file transfer protocol, client. It lets individuals transfer single files or batches to a web server. For many years, FTP was the standard for website design. Read more about FileZilla.
Workplace by Facebook - Connect everyone in your company and turn ideas into action.
WinSCP - WinSCP is an open source free SFTP client and FTP client for Windows.
Unily - Unily is a cloud-based intranet solution designed by SharePoint consultancy BrightStarr.
Cyberduck - A libre FTP, SFTP, WebDAV, S3, Backblaze B2, Azure & OpenStack Swift browser.