Here is a lovely one.

Knock WSFTP in the head with this one:

Built-in Compression

During transfer, files can be automatically compressed into the .ZIP archive file format, reducing transfer time and improving throughput.

What about using built-in compression functionality of SSH stream?

martin wrote:

What about using built-in compression functionality of SSH stream?

Add it all in!

Cloakerz wrote:

Add it all in!

What?