Yes, both KnowledgeBase and ProProfs Knowledge Base offer a Free Trial.
KnowledgeBase is designed for Large Enterprises, Medium Business and Small Business.
ProProfs Knowledge Base is designed for Large Enterprises, Medium Business and Small Business.
Pricing for KnowledgeBase Starts at $59/Month whereas for ProProfs Knowledge Base Starts at $0.30/Month when Billed Yearly.
Some top alternatives to KnowledgeBase includes ReclaimAI, ZoomInfo InboxAI, KBPublisher, SmartSupport, KnowledgeBase Manager Pro, Omnistar Kbase, Talisma KnowledgeBase, IntelligenceBank KM, Helpjuice, KnowledgeOwl, Qualified, Workvivo, PaceKB and ProProfs Knowledge Base.
Some top alternatives to ProProfs Knowledge Base includes ReclaimAI, ZoomInfo InboxAI, KBPublisher, SmartSupport, Talisma KnowledgeBase, HelpHub, KnowledgeOwl, Qualified, Workvivo, PaceKB, KnowledgeBase, Whatis, IFTTT and StructHub.