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6 RECOMMENDED FREE AND OPEN-SOURCE FTP
CLIENTS.
By Clerment Ferrand, February 6, 2022
Table of Contents :
What Is An FTP?
is FTP secure?
6 Free and open-source FTP Clients list.
Which FTP Client to choose?
An “FTP client” is a File Transfer Protocol, a software utility that establishes a connection
between a host computer and a remote server.
The FTP client provides the dual-direction transfer of data and files between two
computers over a TCP network or an Internet connection.
The FTP is a standard communication protocol used for the transfer of computer files
from a server to a client on a computer network.
FTP is built on a client-server model architecture using separate control and data
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connections between the client and the server. Keep reading to see the full list and
learn why these free FTP clients made the cut-in.
What is an FTP?
An FTP, which stands for File Transfer Protocol, is a method for transferring files from
one computer to another.
How do we select this list of the best free FTP software?
Supports secure file transfer protocols: FTP isn’t secure. Among its many flaws, plain FTP
doesn’t encrypt the data you’re transferring. If your data is compromised en route to its
destination, your credentials (username and password) and your data can easily be
read.
SFTP (which stands for SHH File Transfer Protocol) is a popular secure alternative, but
there are many others.
There are a lot of FTP clients with a command-line interface, approachable and easier
to use.
6 Free and open-source FTP Clients list.
1. FileZilla
https://filezilla-project.org/
FTP Explained | File Transfer Protocol | Cisco CCNA 200-301
FTP Explained | File Transfer Protocol | Cisco CCNA 200-301

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An open source FTP client. It’s fast, able to handle simultaneous transmissions (multi-
threaded transfers), and supports SFTP and FTPS (which stands for FTP over SSL).
The FileZilla Client not only supports FTP, but also FTP over TLS (FTPS) and SFTP. It is
open source software distributed free of charge under the terms of the GNU General
Public License.
Also FileZilla Pro offer additional protocol support for WebDAV, Amazon S3, Backblaze
B2, Dropbox, Microsoft OneDrive, Google Drive, Microsoft Azure Blob and File Storage,
and Google Cloud Storage.
This FTP client is available on Windows, Mac OS and Linux.
2. Cyberduck
https://cyberduck.io/
Cyberduck is an open-source client for FTP and SFTP, WebDAV, and cloud storage
(OpenStack Swift, Amazon S3, Backblaze B2 and Microsoft Azure), available for
macOS and Windows

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Available on Windows and Mac OS.
3. FireFTP
http://fireftp.net/
FireFTP is Firefox add-on, secure, cross-platform FTP/SFTP client for Mozilla Firefox
which provides easy and intuitive access to FTP/SFTP servers.It’s available on all
platforms that can run Firefox.
https://addons.thunderbird.net/en-us/firefox/addon/fireftp/
Available on Windows, Mac OS and Linux
4. Classic FTP
Classic FTP is a file transfer client that’s free for non-commercial use. It has a very
simple interface, which is a good thing, because it makes it easy and intuitive to use. I
like its “Compare Directories” feature that’s helpful for seeing differences between
your local and remote files.
Classic FTP Free File Transfer Client is a free FTP client that allows you to manage,
upload, download and delete files from a remote server. “Mirror and Upload” tool to

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scan a selected local folder and upload any files that do not exist in the selected
remote folder for free. Available on Windows and Mac OS.
5. WinSCP
https://winscp.net/
WinSCP is a free popular SFTP client and FTP client for Microsoft Windows! Copy file
between a local computer and remote servers using FTP, FTPS, SCP, SFTP, WebDAV or
S3 file transfer protocols, it has a built-in text editor for making quick text edits more
convenient, and has scripting support for power users.
Support for PPK version 3 keys from PuTTY 0.75.
Stream interface in .NET assembly.
With SFTP protocol files can be streamed to stdout and from stdin in scripting.
Support SHA-256 fingerprints of TLS/SSL certificates.
Extension Synchronize with another remote server.
Improved FTP support for VMS servers (and potentially for other non-Unix-like
systems).
Compatibility with Google Cloud Storage when using S3 protocol to access the
buckets. Source : https://winscp.net/eng/index.php
6.FTPBox
http://ftpbox.org/
FTPBox is an open-source free FTP client, provide an easy FTP-based file
synchronization tool for normal users. It offers a desktop client for Windows and a Web-
based client that allows the user to access his files from any computer anywhere.
FTPBox uses SFTP (SSH FTP) and FTPS (FTP over SSL) by default to provide security for file
transfers.

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FTPBox offers installable Windows packages that support many Windows versions
starting from Windows XP, Vista, 7, 8, & 10. It also provides a portable version that can
work from USB sticks. Currently, FTPBox does not provide Linux or macOS clients.
Which FTP client do you use?
There are a lot of FTP clients out there. If your favorite FTP client isn’t on the list, please
mention it in the comments for the benefit of other readers. And if you’ve used any of
the FTP clients mentioned here, please do share your thoughts about them too.
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