The last one is Tradescantia pallida, my sister calls it purple queen. Quite common in Florida. The first one might be a New Zealand flax or Phormium tenax. Don't know the middle one offhand.
Oh good, I'm glad you answered that, Eric. I was looking at a different hibiscus that didn't fit well enough. Here's a good page on this one, with a title that is apt: Growing a Hibiscus with Dazzling Foliage - Cranberry Hibiscus
Ricinus, Castor Bean Plant, does have sort-of similar-looking leaves, but the stem attachment to the leaf on Ricinus is not at the edge of the leaf, but is rather attached to the surface of the leaf. And the lobes are more uniformly shaped. Also, the posted leaves have an unusual arrangement, with the lobes closest to the base forming almost a straight line, and the other three lobes seeming to hang more vertically.