filezilla ftp client
Filezilla is a free ftp client for windows mac os x and linux.
internet
teamviewer
TeamViewer is a remote access software free for personal use. It is a great application for your pc or mac. It is available for windows linux mac os x iphone ipad and android phones and pdas. Teamviewer is a great solution for quick and easy access and remote support. It can be used without installation or can be installed as a system service which makes your computer accessible anytime from anywhere.
Azureus Vuze
Vuze (formerly Azureus) lets you search torrents thorough program and download them directly.
You can use Vuze to download HD videos from Vuze Hd Network.
check out Transmission if you need a bittorrent client for mac os x or another linux – unix like system.