Free FTP clients

FileZilla is a free and open-source, cross-platform FTP application, consisting of FileZilla Client and FileZilla Server. Clients are available for Windows, Linux, and macOS. Both server and client support FTP and FTPS (FTP over SSL/TLS), while the client can in addition connect to SFTP servers. FileZilla's source code is hosted on SourceForge.

cURL (pronounced like "curl", ) is a free and open source CLI app for uploading and downloading individual files. It can download a URL from a web server over HTTP, and supports a variety of other network protocols, URI schemes, multiple versions of HTTP, and proxying. The project consists of a library (libcurl) and command-line tool (curl), which have been widely ported to different computing platforms. It was created by Daniel Stenberg, who is still the lead developer of the project.

a free cross-platform orthodox file manager and a clone of Norton Commander

GNU Wget (or just Wget, formerly Geturl, also written as its package name, wget) is a computer program that retrieves content from web servers. It is part of the GNU Project. Its name derives from "World Wide Web" and "get", a HTTP request method. It supports downloading via HTTP, HTTPS, and FTP.

web browser

WinSCP (Windows Secure Copy) is a file manager, SSH File Transfer Protocol (SFTP), File Transfer Protocol (FTP), WebDAV, Amazon S3, and secure copy protocol (SCP) client for Microsoft Windows. The WinSCP project has released its source code on GitHub under an open source license, while the program itself is distributed as proprietary freeware.

Shareaza is a peer-to-peer file sharing client running under Microsoft Windows which supports the Gnutella, Gnutella2 (G2), eDonkey, BitTorrent, FTP, HTTP and HTTPS network protocols and handles magnet links, ed2k links, and the now deprecated gnutella and Piolet links. It is available in 30 languages.

file and archive manager for Microsoft Windows

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 (as of version 4.0) licensed under the GPL. Cyberduck is written in Java and C# using the Cocoa user interface framework on macOS and Windows Forms on Windows. It supports FTP/TLS (FTP secured over SSL/TLS), using AUTH TLS as well as directory synchronization. The user interacts with the user interface (GUI), including file transfer by drag and drop and notifications via Growl. It is also able to open some files in extern

FireFTP is a discontinued free, open-source, cross-platform FTP client for Mozilla Firefox in the form of an add-on. It supports FTP, FTPS, and SFTP. FireFTP was developed by Mime Čuvalo, a Croatian web developer who released it as charityware. It runs on any of the platforms that Firefox supports. FireFTP's layout is similar to that of WS FTP. It is no longer compatible with Firefox 57 (Quantum) and later, and the authors recommend using Waterfox instead of Firefox.

gFTP is a free and open-source multithreaded File Transfer Protocol client program. It is most used on Unix-like systems such as Linux, . It includes both a graphical user interface (GUI), which utilizes the GTK+ graphical toolkit, and a command-line interface. gFTP is released under the terms of the GPL and has been translated into 45 languages.

Libwww is an early World Wide Web software library providing core functions for web browsers, implementing HTML, HTTP, and other technologies. Tim Berners-Lee, at the European Organization for Nuclear Research (CERN), released libwww (then also called the Common Library) in late 1992, comprising reusable code from the first browsers (WorldWideWeb and Line Mode Browser).

Rclone is an open source, multi threaded, command line computer program to manage or migrate content on cloud and other high latency storage. Its capabilities include sync, transfer, crypt, cache, union, compress and mount. The rclone website lists supported backends including S3 and Google Drive.

lftp is a command-line program client for several file transfer protocols. lftp is designed for Unix and Unix-like operating systems. It is developed by Alexander Lukyanov, and is distributed under the GNU General Public License.

NcFTP is an FTP client program which debuted in 1991 as the first alternative FTP client. It was created as an alternative to the standard UNIX ftp program, and offers a number of additional features and greater ease of use.

tnftp (formerly lukemftp) is an enhanced FTP client for Unix-like operating systems. It is based on the original BSD FTP client, and is the default FTP client included with NetBSD, FreeBSD, OpenBSD, DragonFly BSD, Darwin, and MidnightBSD. It is maintained by Luke Mewburn.

muCommander is an open-source, cross-platform file manager that runs on operating systems supporting Java 11 or later. It has a Norton Commander style, and a dual-pane interface to allow manipulation of files via keyboard shortcuts. Pre-compiled builds are available for macOS, Microsoft Windows, Linux, Solaris, FreeBSD, and OpenVMS. It is based on GNU Midnight Commander, but has a GUI compared to Midnight Commander.