Filezilla (for Windows, Mac, Linux) (free)

Filezilla is one of the most popular FTP clients. FileZilla is free and very intuitive to use. Despite FileZilla’s dated interface and lack of dark mode, it does what it says on the tin. FileZilla’s free client not only supports FTP, but also FTP over TLS (FTPS) and SFTP. As part of FileZilla Pro (paid), there are also protocols for WebDAV, Amazon S3, Backblaze B2, Dropbox, Microsoft OneDrive, Google Drive, Microsoft Azure Blob and File Storage, and Google Cloud Storage.

WinSCP (for Windows) (free)

Microsoft Windows users will enjoy using WinSCP as their FTP and SFTP client! You can transfer files between a local computer and a remote server using FTP, FTPS, SCP, SFTP, WebDAV or S3 protocols.

Cyberduck (for Windows, Mac) (free)

Cyberduck is a free and open-source server browser that supports FTP, SFTP, WebDAV, Amazon S3, OpenStack Swift, Backblaze B2, Microsoft Azure & OneDrive, Google Drive and Dropbox.

CuteFTP (for Windows, Mac) (non-free)

Easy setup for new FTP sites. Easy script transfers with minimum overhead using CuteFTP’s Transfer Engine or any COM-friendly scripting language. Transmit mission-critical files securely with FTP, FTPS (SSL), HTTPS (SSL), SFTP (SSH2), OpenPGP encryption, One Time Password authentication protocol, and a password manager to work securely with multiple remote sites at once.

Transmit (for Mac) (non-free)

Developed by Panic, Inc., Transmit is an exclusive FTP client for Mac users. Due to its popularity among web developers, it is the most popular FTP client solution for Mac users. It has fast speeds, is super reliable, and includes many great features. Transmit now supports 11 cloud services, including Backblaze B2, Box, Google Drive, DreamObjects, Dropbox, Microsoft Azure, and Rackspace Cloud Files. Transmit still supports the classics – FTP, SFTP, WebDAV, and S3 – better than any other. The drag-and-drop capabilities make complex services simple to use.