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.
FileWhopper - Share large files or folders of ANY SIZE online easily and securely. Your files are encrypted & password-protected. Download while still uploading. No monthly subscription or storage to buy, just a one-time fee based on file size.
CompleteFTP by EnterpriseDT - CompleteFTP is a secure FTPS and SFTP server for Windows.
HDDBUNKER - upload and share your screenshots and images , fast free and secure
AWS Transfer for SFTP - AWS Transfer for SFTP (AWS SFTP), is a fully managed service hosted in AWS that enables transfer of files over the Secure Shell (SSH) File Transfer Protocol directly in and out of Amazon S3.
NordLocker - Keeping files in the cloud? Protect them with leading-edge encryption. NordLocker makes file security easy.