Now UI Kit - A beautiful Bootstrap 4 UI kit. Yours free.
Saysimple - Saysimple is a business communication platform that helps small businesses communicate faster and more effectively with their customers.
Bots UI Kit - Fully customizable Sketch UI Kit for Messenger Platform
Whelp - AI-based Omni channel customer support platform with chat bot system (On premise and cloud based)
Landing UI Kit - Handcrafted UI components for landing pages
Tendant - Tendant Chat is a cloud-based platform that connects your customers to your business through text, video, and live video.