Linux/Remmina

Installation
remmina sudo apt-get install remmina remmina-plugin-rdp

Clipboard
Clipboard sync works! And so does full screen on multi monitor systems.

Full Screen
For full screen: [Right Ctrl] + F

rdesktop vs krdc vs remmina
rdesktop is crap. Krdc is better. Remmina is best.

Invisible Toolbar
Preferences: "Invisible Toolbar in fullscreen"

Grab Events
Toolbar: Grab all keyboard events (for alt-tab)

Works with Windows
Yes it works with Windows 10

Failure to Connect
Clear any known hosts within the ~/.freerdp/known_hosts file echo "" > ~/.freerdp/known_hosts