In Australia and New Zealand you'll hear any of the terms luv, mate, cuz, bro, darl, darlin, honey, sweets, cobber, dear, sir, ma'am and even on occasion buddy, you guys, jokers, blokes, sheilas, and so on. It seems to depend on the individual as to when and how these terms are applied.
None of them are generally considered sexist or offensive when used casually but that too depends on the context because they can equally be used as terms of endearment or sarcastically.
At any rate, using any of the above terms to address another individual seems better than “hey you” and other less appropriate or derogatory terms such as babe, retard, wanker, asshole, and much worse. However, even these horrid terms are used quasi-endearingly within groups of individuals, especially teens.