Since we got a house around 10 years ago, TMM and I have started a tradition of sitting outside with a fire pit. We chill for a few hours, roast hot dogs, make smores, and hand out candy. We get a decent turn out every year, though we always get too much candy. We get a few people who enjoy seeing us every year. Last few years, we've been handing out Pokemon Halloween booster packs as well, which are a huge hit with kids and teens alike. We usually carve pumpkins, but haven't bothered lately.
Some of our neighbors leave out bowls of candy outside, but we saw kids go up and ring doorbells at other houses.