Crisp
Crisp is a cloud-based helpdesk platform designed to help small to medium enterprises talk with their customers, increase conversion and customer satisfaction.
Crisp lets website visitors resolve customer issues in real-time. Features include file sharing, customizable live chat interface, shared inbox, translation, audio/video calling, automated messaging, and more. It also allows you to integrate the platform with other applications including Zendesk, Telegram, Slack, Zapier, and Facebook Messenger.