Cyberduck

Cyberduck is a free, open source file browser for macOS and Windows, licensed under the GPL and developed by iterate GmbH, that connects to remote servers and cloud storage. Cyberduck is a free, open source file browser for Mac and Windows that connects to FTP, SFTP, WebDAV and cloud storage such as Amazon S3 and Google Drive.

Cyberduck is free to use as donationware, with optional donations to support development. It is open source under the GPL. Mountain Duck, which mounts remote storage as local drives, and Cyberduck CLI are separate products from the same developer.

Yes. Cyberduck is free and open source donationware, so there is no trial or paid tier to choose. You can download it directly or get it through app stores, and donate if you find it useful.

Key features of undefined: FTP, SFTP and WebDAV support; Cloud storage connections including Amazon S3, Google Drive, Dropbox, OneDrive, Azure and Backblaze B2; Client-side encryption through Cryptomator integration; Drag-and-drop transfers with resume; Directory synchronization and server-to-server copying.

Cyberduck is used by web developers, system administrators, designers and anyone who needs to move files between a computer and servers or cloud buckets. Teams use it to manage S3 buckets, upload websites over SFTP and sync directories without paying for a client.