Yes, both Channel.io and Lime Talk offer a Free Trial.
Channel.io is designed for Large Enterprises, Medium Business and Small Business.
Lime Talk is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Channel.io Starts at $30/Month when Billed Yearly whereas for Lime Talk Starts at $6/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 Lime Talk includes ZoomInfo Chat, LiveChat, Crisp, LiveEngage, MyLiveChat, Zendesk Chat, SnapEngage, Smartchat, ChatFlow247, ChatAndBot and 13chats.