The twisting cable overhead press is brilliant for developing unilateral upper-body strength, as well as for improving core strength and stability.
A unilateral compound exercise, the seated twisting cable row is great for developing unilateral upper-body strength and size.
The overhead cable biceps curl targets your brachialis, not your biceps brachii, which acts as a synergist, along with your brachioradialis.
Use the machine seated one-leg calf raise, a unilateral isolation exercise, to fix differences in the size and strength of your calf muscles.
Use the one-arm lat pull-down to build your back muscles, especially your lats, and to develop unilateral upper-body strength.
Build your anterior deltoid, lateral deltoid, upper pectoralis major, and other muscles using the cable one-arm front raise, a unilateral push exercise.
Targeting your abs and obliques, the one-leg front plank is a unilateral bodyweight exercise useful for developing the strength and stability of your core.
Use the barbell one-leg hip thrust for unilateral glute and quad activation. Avoid going very heavy because it can place too much torque on your vertebrae.
The dumbbell one-leg split squat is great for improving your lunge and squat, enhancing your balance, and developing unilateral functional strength.