Yes, both Channel.io and WebGreeter offer a Free Trial.
Channel.io is designed for Large Enterprises, Medium Business and Small Business.
WebGreeter is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Channel.io Starts at $30/Month when Billed Yearly whereas for WebGreeter Starts at $20/User/Month.
Some top alternatives to Channel.io includes ZoomInfo Chat, LiveAgent, LiveChat, LiveEngage, DeskMoz, Zendesk Chat, Lime Talk, Smartchat, LivePerson, Let's Connect and Liveo.Chat.
Some top alternatives to WebGreeter includes ZoomInfo Chat, LiveAgent, LiveChat, Crisp, LiveEngage, DeskMoz, Smartchat, LinkedChat, ChatFlow247, Freshchat and Let's Connect.