Non toxic to pets and people. Supposed to be extremely easy-care plants that like low-light. Also come in pretty speckled varieties that might have a different scientific name. Internet research is unreliable sometimes.
Non-toxic to cats: Cast Iron Plant - Aspidistra elatior - It can survive in low-light conditions and doesn't need much water. Place it in a dimly-lit corner and water it occasionally and you'll have a gorgeous indoor plant without much effort at all.