This is a highly effective leg workout routine that can be performed in the comfort of your own home, without having to visit a gym. However, it does utilize a few pieces of basic fitness equipment that can generally be found in any home gym.
JUST DO IT!: custom printable workout exampley I like that there are stability ball exercises too (see the last 2 exercises on this example workout)! Workout Labs give full instructions on how to properly do the exercises.