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.
HYFY - Record your screen & voice. Share instantly.
ThriveDesk - Helping startups thriving customer support
recordit.co - Make a short video capture of your desktop as a gif.