FileZilla is a free, open-source, cross-platform FTP client supporting FTP, FTPS, and SFTP for secure and efficient file transfers to remote servers.

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🚀 Overview

FileZilla is a fast and reliable FTP, FTPS, and SFTP client designed for easy file management across remote servers. It also offers a companion FileZilla Server for hosting FTP/FTPS services. With support for large files, drag-and-drop, and an intuitive interface, it's a staple for file transfers worldwide.

This project solves the problem of securely transferring files to and from servers without relying on paid or limited tools. It's built for developers, webmasters, system administrators, and anyone needing robust FTP capabilities on Windows, macOS, Linux, and more.

Developed by Tim Kosse to provide a free, open-source alternative to commercial FTP clients, emphasizing cross-platform compatibility, speed, and feature richness.

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✨ Key Features

• Easy to use intuitive graphical user interface
• Supports FTP, FTP over SSL/TLS (FTPS) and SSH File Transfer Protocol (SFTP)
• Cross-platform: Runs on Windows, Linux, *BSD, macOS and more
• IPv6 support
• Available in many languages
• Supports resume and transfer of large files >4GB
• Tabbed user interface
• Powerful Site Manager and transfer queue
• Bookmarks
• Drag & drop support
• Configurable transfer speed limits
• Filename filters
• Directory comparison
• Network configuration wizard
• Remote file editing
• Keep-alive
• HTTP/1.1, SOCKS5 and FTP-Proxy support
• Logging to file
• Synchronized directory browsing
• Remote file search
• Optional: FileZilla Pro adds WebDAV, Amazon S3, Dropbox, Google Drive, and more

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🛠 Tech Stack

• Language: C++
• GUI: wxWidgets
• Networking: Custom implementation for FTP/FTPS/SFTP
• Build System: Cross-platform (MSYS2 for Windows, etc.)
• Database: None (local config files)
• Auth: Protocol-based (username/password, keys)
• Hosting: Download binaries/source from official site

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👥 Who Is This For?

This project is useful for:

• Developers who want to upload/deploy code to servers securely
• Webmasters and site administrators managing remote files
• System admins and power users handling large file transfers
• Hobbyists and teams looking for a free, reliable FTP solution

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📸 Screenshots / Demo

• Live demo: Download and try from https://filezilla-project.org/download.php
• GitHub: No official repo (mirrors exist); Trac: https://trac.filezilla-project.org/

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🔥 Project Status

• 🟢 Actively building

Last updated: 2026-03-24

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❓ FAQ

Is this project free?

Yes — Completely free and open source under the GNU General Public License (GPL).

Is the source code available?

Yes — Trac browser: https://trac.filezilla-project.org/browser/FileZilla3 ; SVN: svn co https://svn.filezilla-project.org/svn/FileZilla3/trunk/ ; Source snapshots: https://filezilla-project.org/download.php?platform=source

Can I contribute?

Yes — Report bugs/feature requests on Trac: https://trac.filezilla-project.org/ ; Discuss on forums: https://forum.filezilla-project.org/ ; Wiki contributions: https://wiki.filezilla-project.org/

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📬 Contact & Links

• Website: https://filezilla-project.org/
• GitHub: N/A (official uses Trac/SVN)
• Twitter/X: https://x.com/timkosse
• Email: Support via forums; developer: tim.kosse@filezilla-project.org

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