What is an FTP Client?

[ChrisB]

FTP Client is software that is designed to transfer files back-and-forth between two computers over the Internet. It needs to be installed on your computer and can only be used with a live connection to the Internet.

The classic FTP Client look is a two-pane design. The pane on the left displays the files on your computer and the pane on the right displays the files on the remote computer.

File transfers are as easy as dragging-and-dropping files from one pane to the other or by highlighting a file and clicking one of the direction arrows located between the panes.

Few of the FTP Clients are:

1>WS FTP 2> Cute FTP 3> Smart FTP 4> Pro Ftp 5> Core FTP

[Chaitram]

From a user management perspective there are two types of FTP: regular FTP in which files are transferred using the username and password of a regular user FTP server, and anonymous FTP in which general access is provided to the FTP server using a well known universal login method.

From a networking perspective, the two main types of FTP are active and passive. In active FTP, the FTP server initiates a data transfer connection back to the client. For passive FTP, the connection is initiated from the FTP client.

[Sudhan]

I have listed below the most widely used FTP client now a days.
WinSCP (Windows)
Transmit (Mac OS X)
FireFTP (All Platforms with Firefox)
FileZilla (All Platforms)
Cyberduck (Mac OS X)

[sunny]

FireFTP is best client in the list given above

There are many features that makes it best.
its Free
works on cross-Platform
Synchronization
Available in 20 languages
Search and filtering
Export andd import of accounts
Drag and drop feature
File hashing
Proxy support
FXP support
IPV6 support
Open source.
integration with Firefox.