Mount and Blade - With Fire and Sword Codes
In the Game Launcher, select Configuration and then click the "Enable Cheats" box. Then enter the following button combinations. (NOTE: Codes only work within certain context, noted in parenthesis)

+1000 Gold (in Inventory screen): CTRL+Shift+H
+1000 XP (in Character screen): CTRL+X
+1000 XP to Party Members (in Character screen for selected party member): CTRL+X
Damage Yourself: CTRL+F3
Full Health: CTRL+H
Full Horse Health: CTRL+Shift+H
Increases Weapon Proficiencies (in Character screen): CTRL+W
Knocks out a friendly troop, may take a few presses (in battle): CTRL+F6
Knocks out all enemy troops, may take a few presses (in battle): CTRL+ALT+F4
Knocks out all friendly troops, may take a few presses (in battle): CTRL+ALT+F6
Knocks out an enemy troop, may take a few presses (in battle): CTRL+F4
Knocks out enemy troops within line of sight while zoomed, may take a few presses (in battle): CTRL+Shift+F4
Reveals everything on map except for hidden hideouts (World Map screen): CTRL+T
Teleport your party wherever you like (World Map screen): CTRL+Left Click