Kayako is a help desk / ticketing product and is available is both SaaS and on-premise configurations. Is is built in PHP and uses my SQL. The product competes with HelpSpot, ZohoSupport, Freshdesk and Zendesk.
The Kayako Engage edition may be deployed as a live chat system without ticketing at a reduced cost, featuring click-to-call and site visitor monitoring for customer targeting and engagement.-Trust Radius
Categories: Live Chat, Help Desk