FreeRDP!

Remmina is a remote desktop client written in GTK+, aiming to be useful for system administrators and travellers, who need to work with lots of remote computers in front of either large monitors or tiny netbooks. Remmina supports multiple network protocols in an integrated and consistent user interface.

rdesktop is an open source client for Windows Terminal Services, capable of natively speaking Remote Desktop Protocol (RDP) in order to present the users Windows desktop. Supported servers include Windows 2000 Server, Windows Server 2003, Windows Server 2008, Windows XP, Windows Vista and Windows NT Server 4.0.

WinConn simplifies creation, management and desktop integration of remote windows applications in Ubuntu Linux. It uses RemoteApp technology, implemented by FreeRDP project to provide seamless user experience. The applications run in their own window and can be used like any other locally installed Ubuntu application, without bringing the full windows desktop to the user.

Remote desktop administration tool: https://youtu.be/2FoynZj-QFM