Yes, both Spike and MURAL offer a Free Trial.
Spike is designed for Individuals, Freelancers, Large Enterprises, Medium Business and Small Business.
MURAL is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Spike Starts at $8/Month when Billed Yearly whereas for MURAL Starts at $9.99/User/Month.
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 MURAL includes Collaboard, Microsoft Whiteboard, BeeCanvas, Miro, ClickUp, Conceptboard, Fresco, Remotings, Jamboard and Witeboard.