Verified answer

try zipeg

Try Stuffit Expander

Otherwise the rar files dont work properly for mac cosidering they were compresed on a PC so download Crossover, there are patched copies floating around and use WinRar works great.

Eh

Winrar is pretty good, despite of the previous answers.

45 day trial is free and you can redownload it after that expires. Its easiest, only takes like 10 minutes to download.

i recommend zipeg, it's exactly like winrar. and its free