Here is another versatile workout machine that lets you get a complete workout indoors. The Exxentric kBox4 Active lets you exercise with variable and unlimited resistance thanks to its flywheel and is ready for conditioning, HIIT, and rehab. The kBox4 Active has a small footprint and lets you perform common exercises such as squats, deadlifts, rows, and shoulder exercises.
This exercise machine comes with a steel platform and 2 flywheels. It has a footprint of 30 x 20 x 8.5″. You can find out more about it here.