Yes, both Crisp and Lime Talk offer a Free Trial.
Crisp is designed for Individuals, Freelancers, Medium Business and Small Business.
Lime Talk is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Crisp Starts at $25/User/Month whereas for Lime Talk Starts at $6/Month.
Some top alternatives to Crisp includes ZoomInfo Chat, LiveChat, LiveEngage, Pure Chat, DeskMoz, MyLiveChat, Intercom, Smartchat, ChatFlow247, Freshchat and Let's Connect.
Some top alternatives to Lime Talk includes ZoomInfo Chat, LiveChat, Crisp, LiveEngage, MyLiveChat, Zendesk Chat, SnapEngage, Smartchat, ChatFlow247, ChatAndBot and 13chats.