Pauser

Pauser is a menu bar application that allows you to pause and then continue any process running on your Mac OS X user account.
It works pretty well and it's really useful.

Features:

* Pause/continue any process running in your user login.
* Convenient, easy access status bar/menu bar access.
* Automatic updating via Sparkle framework

Check it out at http://www.sdunster.com/projects/pauser/