

Otherwise, ctrl-click (or right-click) on the app and select Open from the pop-up menu so not to permanently lower your security settings. If you have trouble installing any of the following (or any other program) with an "unidentified developer" error, goto: System Preferences ➤ Security & Privacy ➤ General and click on "Allow Applications Downloaded from: Anywhere", and try again.
CANNOT OPEN EMULATOR ON MAC BECAUSE UNIDENTIFIED DEVELOPER PRO
Here is a list of (mostly free) software tools which will help you do your job using your shiny MacBook Pro and OS X.

There's no need to rush out and buy VMware or Parallels just to run HyperTerminal or Putty.
