Yes, both Kbee and Wiki Valley offer a Free Trial.
Kbee is designed for Medium Business and Small Business.
Wiki Valley is designed for Large Enterprises, Medium Business and Small Business.
The starting price of Kbee begins at $19/Month, while pricing details for Wiki Valley are unavailable.
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 Wiki Valley includes simplewiki, GitBook, Zoho Wiki, Buzz, Drupal Wiki, LearnLode Enterprise, TWiki, Wiki.js, Wikiful and Microsoft Azure.