Useful Widgets & Third party sites

• http://www.zendesk.com (support)
• http://tenderapp.com (support)
• http://www.snapengage.com/, integrates to ZendDesk - http://www.snapengage.com/zendesk
• http://www.assistly.com
• http://www.punchtab.com/

Sending Emails:

• http://mailchimp.com
• http://sendgrid.com