Intercom - Intercom is a customer relationship management and messaging tool for web businesses. Build relationships with users to create loyal customers.
typedesk - A shortcut to all your canned responses
HelpDocs - Educate your users with a super simple knowledge base that’s built for teams just like yours.
EmailOctopus - Email marketing for less, via Amazon SES
Support Hero - Educate your customers through self-help support
Sociocs - Best customer communication tool for your business