There are countless different races of sentient (having feelings and empathy) and sapient (problem-solving, rational, self-aware) beings, running the full gamut of degrees of awareness.

These include (in no particular order but alphabetical) aetherians, AI, aliens of many races, animals, cyborgs, humans, infomorphs, hyperdimensionals, magonoians (interdimensionals, e.g. elves), mechanoids, posthumans/postaliens, provolved (uplifted) animals, robots, splices (human-animal hybrid), and more. Each category consists of innumerable subtypes and combinations.