I've recently searched Rar extract software for Linux, by Rar Labs.
You can directly download official WinRar files:
It has only Command Line Interface.
Steps to install :
1.) Download any required tar.gz file & Extract it.
2.) reach there using terminal.
3.) type "make".
That's all. now type "rar" on terminal and it'll show you all possible hints.
Example : To extract any rar file.
"rar e abc.rar "
this will extract all files from abc.rar in same directory.
