Yes, both Kbee and Circular Docs offer a Free Trial.
Kbee is designed for Medium Business and Small Business.
Circular Docs is designed for Medium Business and Small Business.
Pricing for Kbee Starts at $19/Month whereas for Circular Docs Starts at $9/Month.
Some top alternatives to Kbee includes GitBook, Drupal Wiki, Wiki Valley, GoGoWorx, Qualified, Workvivo, Circular Docs, Storydoc, Slick, You Need A Wiki and IFTTT.
Some top alternatives to Circular Docs includes SmartSupport, HelpHub, Qualified, BetterDocs, Workvivo, KnowledgeBase, Whatis, Kbee, Docular, ProProfs Knowledge Base, Nocode and IFTTT.