sftp-server
Provides multi-threaded routines and high level protocol abstractions for a pretty quick & simple file transfer experience. Super duper close to a drop in replacement for pysftp.
sshcatch - a quick-deploy SSH server for tunneling (local/remote/dynamic) and simple SCP/SFTP transfers (NEVER opens a shell!)
SFTP/FTP Server class, that can be started/stopped programmatically
The Fruition framework turbocharges Python web applications with a huge array of features and easy-to-use interface.