Yes, both You Need A Wiki and SlimWiki offer a Free Trial.
You Need A Wiki is designed for Individuals, Medium Business and Small Business.
SlimWiki is designed for Individuals, Large Enterprises, Medium Business and Small Business.
Pricing for You Need A Wiki Starts at $10/Month whereas for SlimWiki Starts at $20/Month.
Some top alternatives to You Need A Wiki includes ReclaimAI, ZoomInfo InboxAI, Google Sites, simplewiki, SlimWiki, GitBook, Google Docs, Qualified, Workvivo, Circular Docs, Kbee, Team Wiki, Nocode and IFTTT.
Some top alternatives to SlimWiki includes Tettra, simplewiki, GitBook, Zoho Wiki, Drupal Wiki, TWiki, Wiki Valley, Wikiful, Microsoft Azure and Team Wiki.