Yes, both Spike and Chatter offer a Free Trial.
Spike is designed for Individuals, Freelancers, Large Enterprises, Medium Business and Small Business.
Chatter is designed for Large Enterprises, Medium Business and Small Business.
The starting price of Spike begins at $8/Month when Billed Yearly, while pricing details for Chatter are unavailable.
Some top alternatives to Spike includes ClickUp, Zimbra Collaboration, mi.team, Convo, Chatter, Dialog, Closer, Teamwork Chat, StoryFile Conversa, Convin and Conversocial.
Some top alternatives to Chatter includes mi.team, Yammer, Jamespot, Convo, talkspirit, Dialog, Speakap, SecOne, Brosix and Icebreaker time!.