PuTTY Equivalent for Mac

Is there a good app that has a graphical interface and functionality similar to [PuTTY](http://www.chiark.greenend.org.uk/~sgtatham/putty/) (telnet / ssh client) for OS X? I know that I can just use terminal and an ssh command. Id like a full application to: - store connection info - store passwords - store login account credentials - help manage ssh keys Does this exist?