Hightail (was YouSendIt) is an online file-sharing service that also features a desktop application. With the desktop application, drag and drop files and folders to Hightail from your Finder. All changes are instantly updated so you can share the latest version with anyone.

• Send large files securely. Send files up to 2GB from your computer or mobile device and control exactly who sees your work.
• The easy way to work together. Share project folders with clients and colleagues and decide who can edit and update your files.
• Access your work from anywhere. Get up to 500GB of storage and use our mobile and desktop apps to access your files wherever you are.