Absolutely! You can play out a shoulder workout at home with next to zero hardware. You can follow this easy shoulder workout routine:

Push-ups:

With your hands slightly wider than shoulder-width apart, begin in a high plank position.
Bring down your chest towards the floor, keeping your body in an orderly fashion.
Push back up to the beginning position.
3 sets of 10 to 15 repetitions is your goal.
Pike squats:

Start in a downward dog position with your hips raised and hands shoulder-width apart.
Bring down your head towards the floor, meaning to bring it between your hands.
Return to the starting position by pushing up.
3 sets of 10 to 15 repetitions is your goal.