If Light Sentry can hit its funding goal, it could be a viable alternative to Belkin's WeMo and Philips Hue bulbs.

Average Camera Pro is an interesting little app that can improve your iPhone’s camera performance in low light conditions.

With so many light particle manipulation apps in the app store, we've collected some of our favorites here. We've taken reader suggestions and added some to this AppGuide. Have fun showing off that iPad!