Halp - Slack-first ticketing for internal helpdesk
Video Live Chat for Websites - Provide real-time video chat support with screen sharing
HelpScout - Help Scout is a simple, straightforward way to provide excellent support
Intercom - Intercom is a customer relationship management and messaging tool for web businesses. Build relationships with users to create loyal customers.
ProProfs Help Desk - Help Desk software by ProProfs to help support agents track, prioritize & resolve customer support tickets. ProProfs Helpdesk makes you more productive.
Desky Support - Simplified helpdesk ticketing system + live chat platform