mRemoteNG - mRemoteNG is a fork of mRemote, an open source, tabbed, multi-protocol, remote connections manager.
PuTTY - Popular free terminal application. Mostly used as an SSH client.
WinSCP - WinSCP is an open source free SFTP client and FTP client for Windows.
Royal TS - Royal TS provides easy and secure access to your remote systems
zsoporte - ZSoporte es un programa de escritorio remoto gratis, que sirve para controlar uno o varios ordenadores a través de internet o bien en la propia red local, es un software para Windows totalmente gratuito.
ASG-Remote Desktop - Deliver Secure Remote Access to Servers and Workstations in Real Time