Open Source File Transfer Protocol (FTP) Software

Double Commander is a cross platform open source file manager with two panels side by side. It is inspired by Total Commander and features some new ideas.

FileZilla® is a cross-platform FTP, SFTP, and FTPS client with a vast list of features, which supports Windows, Mac OS X, Linux, and more. FileZilla's dynamic tools help you move files between your local machine and your Web site's server effortlessly. For example, Filezilla lets you compare your files with in-directory server files to manage file syncing. You can also tab browse between servers and transfer files to them simultaneously, as well as edit server files on the go. And Filezilla is available in 47 languages worldwide!

Motrix is a full-featured, cross-platform download manager that supports downloading HTTP, FTP, BitTorrent, Magnet, Baidu Net Disk and more. It’s got an interface that’s clean, simple and easy to use, plus a number of great features. It can handle up to 10 concurrent downloads, can support 64 threads in a single task, support speed limit and more! It comes in both Chinese and English with many other translations in the works, and has dark mode available.

FreeFileSync is a free Open Source software that helps you synchronize files and synchronize folders for Windows, Linux and macOS. It is designed to save your time setting up and running data backups while having nice visual feedback along the way. _______________________________________________________________ DOWNLOAD LINKS (official homepage): https://freefilesync.org/

FullSync is a powerful tool that helps you keep multiple copies of various data in sync. I.e. it can update your Website using (S)Ftp, backup your data or refresh a working copy from a remote server. It offers flexible rules, a scheduler and more

The ftp4j library implements a Java full-featured FTP client. With ftp4j embedded in your application you can: transfer files (upload and download), browse the FTP site (directory listing), create, delete, rename and move directories and files.

The mendelson OFTP2 is a JAVA-based open source OFTP2 solution. It contains a logging- and configuration GUI (SWING) and supports encryption, digital signatures, message compression, TLS, certificate exchange, message routing, mail notification

JFtp is a graphical network browser. It supports various types of connections like FTP, SMB, SFTP, NFS, HTTP and local ones, has a nice Swing GUI, lots of features and can be started & (auto)updated using Java Web Start in any browser (link on homepage.)

YADE (former SOSFTP) is a batch file transfer solution for FTP, FTPS, SFTP, WebDAV and other protocols. It provides a configurable command line client, an API and a bridge to the SOS JobScheduler. YADE comes with advanced error handling and logging capabilities. YADE is able to create and maintain a transfer history in a central database. Product Knowledge Base at https://kb.sos-berlin.com Change Management System at https://change.sos-berlin.com

Open Upload is an open source extensible PHP application for fast file upload and download for big (and small) file sharing, like rapidshare and megaupload. Multiple authentication methods, database backends, multilanguage support.

Capivara is a graphical file transfer and file synchronization application. It supports network protocols such as SFTP and FTP.

mendelson AS4 is a free JAVA-based open source AS4 solution. Contains a monitoring- and configuration GUI (SWING), supports PUSH and PULL messages, ENTSOG AS4, e-SENS AS4, ebMS AS4, BDEW AS4, PEPPOL AS4, ICS2 AS4, signatures (SOAP, payload), selectable profile per trading partner, encryption (SOAP, payload), UserNameToken, TLS, pluggable into any servlet container, trading partner management, compression, certificate management

Thingamablog is a cross-platform, standalone blogging tool that makes authoring your weblogs a breeze. Thingamablog doesn't require a third-party blogging host, a CGI/PHP enabled web server, or MySQL. In fact, all you need is FTP access to a web server

AeroFTP is a cross-platform file transfer client that goes beyond traditional FTP. Connect to 25 protocols, FTP - FTPS, SFTP, WebDAV, S3, Google Drive, Dropbox, OneDrive, MEGA, Box, pCloud, Azure Blob, Filen, Zoho WorkDrive, Internxt, kDrive, Koofr, FileLu, Yandex Disk, OpenDrive, and more - from a single interface. Security-first: AeroVault v2 encrypted containers (AES-256-GCM-SIV), Cryptomator vault support, OS keyring integration, and zero telemetry. Built-in AeroAgent AI assistant supports 19 providers (OpenAI, Anthropic, Gemini, Ollama, etc.) with 47 tools for file operations, code editing, and workflow automation. Includes Monaco code editor, integrated terminal, AeroPlayer media player with 14 visualizers, AeroCloud personal sync, dual-pane browser, archive support (ZIP, 7z, TAR, RAR), batch rename, and 47 languages. Also ships a full CLI (aeroftp-cli) with 30 subcommands and batch scripting. Built with Rust (Tauri 2) + React 18. Open source, GPL-3.0.

scponly is an alternative 'shell' (of sorts) for system administrators who would like to provide access to remote users to both read and write local files without providing any remote execution priviledges.

Hermes FTP Server is a free, cross-platform FTP server adhering to RFC 959, RFC 2228, and RFC 2389. It is being developed in Java with a strong focus on security and extensibility.

GDownloader is a download manager, that will allow to resume paused or aborted downloads, download from multiple locations, and manage multiples downloads (priorities, schedule, etc) among other features. It's developed in Java to provide portability

PHFTP ( PHP HTTP FTP ) is a simple and fast Web FTP application. You can upload, download and administer files on FTP servers without a local FTP client, even if you are behind firewalls and proxies.

A open-source management tool for glFTPd server. Uses Qt library to provide multi-platform compatibility.

Command line application written in Java useful for automation of downloading process and filtering contents of downloaded files. jDownloader uses simple script file to configure downloading and filtering processes.

Multi-connection command line tool to download Internet sites. Similar to wget and cURL, but it manages up to 50 parallel links. Main features are: recursive fetching, Metalink retrieving, segmented download and image filtering by width and height.

PFTP is a portable FTP client, with many useful features, such as FXP, SSL and TLS support. PFTP is aimed at being a set of two libraries and a diversity of user interfaces, for maximal portability.

This Eclipse RCP application contains several free, useful network tools. Among others: - Standard network tools: ping, netstat, traceroute, nslookup - A port scanner - Servers: HTTP, FTP, TFTP servers - an HTTP proxy - A TCP tunnel - Clients: FTP client, embeddable PuTTY (for Windows only)

phpWebFTP enables connections to FTP servers, even behind a firewall not allowing traffic. phpWebFTP bypasses the firewall by making a FTP connection from your webserver to the FTP server and transfering the files to your webclient over the http protocol

HSCP (Hybrid scp) is developing to transmit the large size file at high speed on the long distance and wideband infrastructure. It has achieved the fast transfer by changing the file transfer part of scp into the UDP (using UDT).