The Notifications add-on will keep you up to date with your support operations – anytime, anywhere. You decide on which action(s) you want to be notified and where you want to be notified (email, slack, sms/push-bullet). Every time something happens on your support, you are instantly notified.
While the free core Awesome Support plugin includes email notifications, this add-on expands those notifications to new channels and 3rd parties that might not be associated with a ticket.
The add-on currently integrates with Slack, Pushbullet and, of course, email.