Commands:

cl_righthand cl_righthand [0 / 1] This is the command that moves your gun to your left hand, also known as the switch hand command. Your gun and other weapons will be on the left side of your screen, which some people prefer.
viewmodel_fov viewmodel_fov [FOV] This command sets your client's FOV to the specified number. You can set your FOV to a maximum of 68 using this command. The default field of view is 60.
viewmodel_offset_x viewmodel_offset_x [X Offset] This command sets the X offset of your view model - i.e. how far left or right it is. Your view model is your hand (and the gun in it) that displays in first person mode. The maximum value is 2.5 and the minimum value is -2.5.
viewmodel_offset_y viewmodel_offset_y [Y Offset] This command sets the Y offset of your view model - i.e. how close or far from your character is. Your view model is your hand (and the gun in it) that displays in first person mode. The maximum value is 2 and the minimum value is -2.
viewmodel_offset_z viewmodel_offset_z [Z Offset] This command sets the Z offset of your view model - i.e. how far up or down it is. Your view model is your hand (and the gun in it) that displays in first person mode. The maximum value is 2 and the minimum value is -2.
viewmodel_presetpos viewmodel_presetpos [1 / 2 / 3] This command will set your X/Y/Z viewmodel offsets to a preset configuration. See argument information for help.
cl_bobamt_lat cl_bobamt_lat [Value] This console command adjusts how much your viewmodel & gun barrel moves side to side when you're running.
cl_bobup cl_bobup [Value] Adjusts how much your viewmodel & weapon bobs up when running.
cl_bob_lower_amt cl_bob_lower_amt [Value] This console command adjusts how much your gun barrel moves back towards you when you're running.
cl_bobamt_vert cl_bobamt_vert [Value] This command changes how much your viewmodel & gun barrel moves up and down when you're moving forward.
cl_camera_follow_bone_index cl_camera_follow_bone_index [-2 / -1 / 0] This command adjusts how the camera follows the index of the bone.
cl_use_new_headbob cl_use_new_headbob [0 / 1] This command dictates whether or not your head bobs as you run. It can't be adjusted in matchmaking, but you can in private servers with cheats.
cl_viewmodel_shift_left_amt cl_viewmodel_shift_left_amt [Viewmodel Shift] This command sets how much the viewmodel moves to the left when shooting accuracy increases.
cl_viewmodel_shift_right_amt cl_viewmodel_shift_right_amt [Viewmodel Shift] This command sets how much the viewmodel moves to the right when shooting accuracy increases.
default_fov default_fov This command will set your field of view (FOV) to the specified number. This command allows you to set your FOV to any value (no matter how high or small), and therefore requires sv_cheats to be enabled before it can be used (as otherwise it would give an advantage in matchmaking).
fov_cs_debug fov_cs_debug [FOV] This command will set your field of view (FOV) to the specified value, provided sv_cheats is set to 1. Unlike the viewmodel_fov command, this command does not have any limits, allowing you to set your FOV to any value you desire.
viewmodel_recoil viewmodel_recoil [Recoil] This command sets how much recoil is shown by the viewmodel when being shot at and taking aimpunch.