Yes, both MURAL and Spike offer a Free Trial.
MURAL is designed for Large Enterprises, Medium Business and Small Business.
Spike is designed for Individuals, Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing for MURAL Starts at $9.99/User/Month whereas for Spike Starts at $8/Month when Billed Yearly.
Some top alternatives to MURAL includes Collaboard, Microsoft Whiteboard, BeeCanvas, Miro, ClickUp, Conceptboard, Fresco, Remotings, Jamboard and Witeboard.
Some top alternatives to Spike includes ClickUp, Zimbra Collaboration, mi.team, Convo, Chatter, Dialog, Closer, Teamwork Chat, StoryFile Conversa, Convin and Conversocial.