 <p>If you're willing to go all Unix-centric, Cygwin comes with a version of <em>cron</em> that can be run as a service on Windows. Then, you could use a common <code>crontab</code> file across your platforms. See <a href="http://www.noah.org/ssh/cygwin-crond.html" rel="nofollow noreferrer">http://www.noah.org/ssh/cygwin-crond.html</a>.</p>