Remmina is a remote desktop client for Linux-based operating systems, written in C, that supports the RDP, VNC, NX, XDMCP and SSH protocols. It is in the package repositories for Debian versions 6 (Squeeze) and later and for Ubuntu versions since 10.04 (Lucid Lynx). As of 11.04 (Natty Narwhal), it replaced tsclient as Ubuntu's default remote desktop client.
Remmina is a front-end of FreeRDP, a fork of rdesktop aiming at modularizing the code, addressing various issues, and implementing new features.
Remmina is availabe in three different packages; GTK+ application, GNOME application and the xfce panel plug-in.