Transmit (previously Transit) is an excellent FTP (file transfer protocol) program that allows you to upload, download, and delete files over the internet.

Hot features include the ability to resume failed downloads where you last left off, drag and drop, contextual menu power, folder synchronization, multithreaded, and much more.

Here are some key features of "Transmit":

· iDisk / WebDAV
Get files on your iDisk, faster than the Finder!
· FTP, SFTP, or TLS/SSL
More secure choices made Mac simple
· Edit in Whatever
Edit any remote file, in any app - even graphics!
· Droplets
Create drag-and-droplets from your favorites
· Synchronization
Run tests, save reports, and have more control
· Get Info
More options for your files and folders
· Dashboard Widget
Upload faster than ever. See it in action!
· Automator Actions
Easily add FTP steps to your workflow!
· .Mac Sync
Automatically sync favorites with all your Macs
· Spotlight Favorites
Connect to favorites in seconds, anywhere
· Column View
At last: browse the way Mac OS X intended
· Tabs
Many connections, one window.
· Sidebar
Jump to your folders, per-favorite, instantly
· Supercharged Favorites
Safari-like and very expandable
· Search
Narrow a long list of items in a flash
· Previews with Zooming
Smoothly zoom that mystery thumbnail
· Batch Downloading
Drag in many files and say "go"!
· Auto-Permissions
Set permissions on upload, automatically
· Dock Status
Transfer status at a glance, always
· Spring-Loaded Folders
Move files in record time
· DockSend
Upload as easily as dragging to the dock
· Server-to-Server Transfers
Use your Mac to shuttle; even go tab-to-tab!
· 100% Mac OS X-like
Drag to send, enter to rename: you know it already
· Proven and Solid Engine
The result of eight years of FTP experience


Limitations:

· After 15 days, favorites are disabled and sessions are limited.