Yes, both Kbee and You Need A Wiki offer a Free Trial.
Kbee is designed for Medium Business and Small Business.
You Need A Wiki is designed for Individuals, Medium Business and Small Business.
Pricing for Kbee Starts at $19/Month whereas for You Need A Wiki Starts at $10/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 You Need A Wiki includes Google Sites, simplewiki, SlimWiki, GitBook, Google Docs, Qualified, Workvivo, Circular Docs, Kbee, Team Wiki, Nocode and IFTTT.