7-Zip is a file archiver with a high compression ratio.

Website: http://www.7-zip.org/


WinSCP (Windows Secure Copy) is a free and open-source SFTP, FTP, WebDAV and SCP client for Microsoft Windows. Its main function is secure file transfer between a local and a remote computer. Beyond this, WinSCP offers basic file manager and file synchronization functionality. For secure transfers, it uses Secure Shell (SSH) and supports the SCP protocol in addition to SFTP.

Website: https://winscp.net/eng/download.php