Useful Widgets & Third party sites

Chats

• http://www.olark.com/

Support & loyalty

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

Social Referrals

• http://extole.com/products/

Sending Emails

• http://sendgrid.com (SMTP can be configured very easy!)
• http://mailchimp.com
• http://www.campaignmonitor.com

Translation Tools

• http://crowdin.net