Intercom - Intercom is a customer relationship management and messaging tool for web businesses. Build relationships with users to create loyal customers.
Studio1 - Automate your screencast videos for customer support.
Zendesk - Zendesk is a beautiful, lightweight help-desk solution.
ThriveDesk - Helping startups thriving customer support
Tapes for Mac - Share screencasts fast.
Kommunicate - Customer support automation platform with live chat and chatbots