Browse free open source FTP Clients and projects for Mac below. Use the toggles on the left to filter open source FTP Clients by OS, license, language, programming language, and project status.

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  • 1
    FileZilla®

    FileZilla®

    A fast cross-platform FTP client

    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!
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    Downloads: 2,424 This Week
    Last Update:
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  • 2
    FreeFileSync

    FreeFileSync

    Free data backup software to synchronize files and folders

    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/
    Downloads: 65 This Week
    Last Update:
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  • 3
    AeroFTP

    AeroFTP

    AeroFTP is a Cross-platform desktop client for FTP, SFTP, WebDAV, S3

    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, Filen, and more from a single interface. Security-first: AeroVault v2 encrypted containers (AES-256-GCM-SIV), Cryptomator support, and zero telemetry. Built-in AeroAgent AI assistant with 19 providers and 47 tools for file operations and workflow automation. Includes Monaco editor, terminal, AeroPlayer with 14 visualizers, AeroCloud sync, archive support, batch rename, and 47 languages. Full CLI (aeroftp-cli) with 32 subcommands, vault profiles, JSON output. AI agent ready. Platform status: - Linux: Stable (.deb, .rpm, .AppImage, .snap, AUR) - Windows: Stable (.msi, .exe, winget) - macOS: Beta (.dmg, not code-signed) Built with Rust (Tauri 2) + React 18. Open source, GPL-3.0.
    Downloads: 28 This Week
    Last Update:
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  • 4
    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.
    Downloads: 5 This Week
    Last Update:
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  • 5
    PHFTP ( PHP FTP )

    PHFTP ( PHP FTP )

    A simple and fast Web FTP application/client.

    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.
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    Downloads: 4 This Week
    Last Update:
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  • 6
    Filetto

    Filetto

    Portable FTP Client & Server

    Filetto is a file transfer utility, that may help when it comes to moving "on the fly" files and folders to/from different devices both on a local area network (LAN), or on the web (WAN). It implements the FTP standard (File Transfer Protocol, RFC 959 and 3659) strictly, either Client and Server, in a portable application with graphical interface.
    Downloads: 11 This Week
    Last Update:
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  • 7
    filepilot-ftp-client

    filepilot-ftp-client

    Fast, secure SFTP/FTP/S3/cloud file transfers. Free & open source.

    https://abhibagul.github.io/filepilot/client.html FilePilot is a free, open-source desktop app for transferring files over FTP, SFTP, FTPS, SCP, Amazon S3, WebDAV, Google Drive, Dropbox, OneDrive, and Azure Blob Storage. Built on Tauri with a Rust backend, it features a dual-pane browser, multi-threaded resumable transfers, checksum validation, two-way folder sync with conflict resolution, and an offline transfer queue. Automate workflows with a sandboxed JavaScript macro editor, or extend FilePilot via its plugin SDK for custom protocols and panels. All credentials are encrypted locally with AES-256-GCM behind a master password — FilePilot never has access to your passwords. Runs natively on Windows, macOS, and Linux. MIT licensed, with no telemetry or ads.
    Downloads: 9 This Week
    Last Update:
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  • 8

    Net Tools for Development

    A collection of network-oriented tools

    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)
    Downloads: 3 This Week
    Last Update:
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  • 9
    Rclone UI

    Rclone UI

    The GUI for Rclone

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    Downloads: 7 This Week
    Last Update:
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  • 10
    FreeFtp is a software of FTP Client. It is simple and effective, convenient. Of course, it is also open source.
    Downloads: 6 This Week
    Last Update:
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  • 11

    JS-FTP

    JS-FTP is a simple GUI FTP client

    JS-FTP is a simple FTP client written in Java. JS-FTP's GUI was developed in the pre 1.2 swinging Java days so it works with JRE 1.1 or later. Sponsored by Nuvovis.
    Downloads: 3 This Week
    Last Update:
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  • 12

    Monsta FTP

    Monsta FTP is a delightfully intuitive web-based file manager.

    Monsta FTP is a lightweight open-source FTP client you can install on your server to manage your files through any browser, and free yourself from desktop software, forever!
    Downloads: 3 This Week
    Last Update:
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  • 13
    LeechCraft
    LeechCraft is a cross-platform modular "internet-client" application. It has plugins that allow one to browse the web, chat via instant messaging (like Jabber or IRC), read RSS/Atom feeds, download files via BitTorrent, Direct Connect and other protocols, play media files and much more.
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    Downloads: 1 This Week
    Last Update:
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  • 14
    Zelotypisti FTP :: Browse|Edit|Upload :: Webbased FTP Client + Text/Graphical Editor
    Downloads: 2 This Week
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  • 15
    KnFTP contains two sub-projects - KnFTPd, an FTP server on Windows, and KnFTPc an FTP client. This project is experimental, and its target is to develop advanced FTP softwares
    Downloads: 1 This Week
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  • 16
    cmdftp is a command line FTP client for Unix systems that features shell-like functions, passive mode, local and remote transparent modes, broken connection resumption, multiple and recursive file transfers, auto-login, and large file support.
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    Downloads: 1 This Week
    Last Update:
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  • 17

    GUI FTP

    Perl based FTP Client with GUI built on Tk

    Perl based FTP Client with GUI built on Tk. This provides a small GUI FTP download agent. It uses the Net::FTP module to perform the FTP operations, and Tk to build the GUI.
    Downloads: 1 This Week
    Last Update:
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  • 18
    This is a Java FTP client created to work only with the Nation Anime FTP server allowing the the user to easily navigate the NA server, download file from the server and also watch folders on the server for updates
    Downloads: 1 This Week
    Last Update:
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  • 19

    ServerZilla

    FTP Client for your Web server

    ServerZilla is a web application developed to connect your web server and FTP server for transfer files between them. So you can directly connect two remote computers with local computer you are using.
    Downloads: 1 This Week
    Last Update:
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  • 20
    PHP-Ftp is a ftp client which uses browser as its user interface.
    Downloads: 1 This Week
    Last Update:
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  • 21
    #Ftp# is a fully managed Ftp Client in C# , with features including a site manager , queued tasks scheduler . #Ftp# is based on Indy Sockets library
    Downloads: 0 This Week
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  • 22
    Client FTP multipiattaforma scritto in Python-GTK -- Multiplatform FTP Client written in Python-GTK
    Downloads: 0 This Week
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  • 23
    Alternate FTP 3.290

    Alternate FTP 3.290

    A simple FTP / S-FTP client

    A simple FTP client to view browse through the directory structure on a FTP server. Program offers possiblity to upload, download and delete files as well as creating or deleting folders.
    Downloads: 0 This Week
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  • 24
    Asynchronous Remote FTP client-server, for using your office high bandwith from home!
    Downloads: 0 This Week
    Last Update:
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  • 25
    CFAGCMS (Cant Find A Gaming CMS) is a gaming cms for gaming website like GameSpot, GameSpy and others. I am using php and mysql to power the CMS(Content Management System). You need basic php knowledge and a FTP client.
    Downloads: 0 This Week
    Last Update:
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