Web-based customer assistance text-chat service that can be integrated on any website to provide help desk and customer support functions in a simple and effective way.
Key features include:
Free plan available (supports one agent and unlimited chats and all additional features excluding Android / iOS app, triggers, visitor info, typing insights, visitors banning, API)
Pricing: https://chatra.io/plans/
My comment: Excellent solution to provide customer assistance to your website customers, through a live chat window that works for you even when you are offline. Free version is good to start. Recommended.
Try it out now: https://chatra.io/