I purchase some exercise DVDs and start at home. I also found useful pilates, ball & Floor Exercise Yoga & meditation by Perfect 10 fitness. It is totally an indoor solution and alternative to heavy gym exercises.
Swimming makes active how ever yoga is awesome, it don't require any helping material as well and i just concentrate on my breathing process it shows result in weight loss.
The thing is to learn as well when going to commercial gym, i left gym for last 2 years and purchase some exercise equipment so now i kept some time and use my in house gym.