Yes, both KB Clip and Whatis offer a Free Trial.
KB Clip is designed for Large Enterprises, Medium Business and Small Business.
Whatis is designed for Large Enterprises, Medium Business and Small Business.
Pricing for KB Clip Starts at $59/Month whereas for Whatis Starts at $72/Month when Billed Yearly.
Some top alternatives to KB Clip includes simplewiki, SlimWiki, Zoho Wiki, SmartSupport, Qualified, Workvivo, KnowledgeBase, Whatis, Kbee, ProProfs Knowledge Base, You Need A Wiki and IFTTT.
Some top alternatives to Whatis includes Sleeek, SmartSupport, HuForce, Qualified, Rattle, Klutch, Workvivo, KnowledgeBase, Typed, WorkInSync, ProProfs Knowledge Base and IFTTT.