Release 1.0 beta 1 of the jAlarms library has become available. You can download just the API or the full library with MSN and JavaMail channels.
For the MSN and JavaMail channels you will need:
Spring 2.5 (http://springsource.org)
Java MSN Library (http://jml.sourceforge.net)
activation.jar and mail.jar (get them from any J2EE distribution or from the Spring package with dependencies included)
Commons Logging (http://commons.apache.org/logging)
SMPP api (http://smppapi.sourceforge.net) if you want to use the SMPP channel (untested at the moment).