Upstream FTP

Upstream is the native file transfer client for macOS designed for developers, system administrators, and designers who demand professional features without compromising on modern design and deep OS integration.

Built entirely in Swift and powered by the SwiftNIO framework, Upstream delivers rock-solid connections, blazing-fast transfers, and low system resource usage. Upstream blends beautifully with the look and feel of macOS (fully supporting macOS 15 Sequoia) while offering a heavy-duty, concurrent transfer queue.

THE POWER OF A PRO FTP CLIENT, NATIVE TO MAC

• Dual-Pane Layout: Easily navigate between local disk and remote servers with a clean two-panel interface.
• Advanced Transfer Queue: Multi-threaded queue, automatic resume, and exponential backoff retries.
• Quick Look: Instant previews of remote files by pressing the spacebar.
• Full Command Log: Track raw protocol commands and responses in real-time in a modern terminal UI.
• Drag & Drop: Drag files directly from Finder or move them between panels.
• App Sandbox Compliant: Fully secure and compliant with Apple's sandbox model.

FREE VERSION: ROBUST AND UNLIMITED CORE FEATURES

• Unlimited connections to FTP, FTPS (explicit/implicit), and SFTP (using password).
• Full Site Manager to save servers, with credentials stored securely in Keychain.
• Concurrent and recursive transfers for both files and directories.
• Complete remote file management: create, rename, delete, and edit files on the fly.
• Instant search, filters, and interactive breadcrumbs address bar.

UPSTREAM FULL (PRO): UNLEASH NEXT-LEVEL PRODUCTIVITY Available as a one-time in-app purchase (buy once, own forever, NO SUBSCRIPTIONS).

• Folder Synchronization: Compare/align directories with smart conflict resolution and dry-run previews.
• Visual Directory Comparison: Highlight differences (missing, modified, or newer files) with color-coded rows.
• Synchronized Browsing: Move both panels in parallel when navigating identical structures.
• Edit with Auto-Upload (Watch Mode): Open remote files in VS Code, TextMate, Xcode; uploads automatically on save.
• Download as ZIP Archive: Select multiple files/folders and download them packed into a single local ZIP.
• Site Import/Export: Import site configurations from FileZilla (sitemanager.xml) and SSH configs (~/.ssh/config).
• SSH Key Auth: Secure SFTP connections using RSA and ed25519 private keys with passphrases.
• iCloud Site Sync: Keep all your saved sites and bookmarks synced automatically across all your Macs.
• Multiple Tabs: Stay connected to multiple servers concurrently and switch between them in a snap.
• Command Palette (?K): Instantly connect to favorite sites and execute commands by typing a few characters.