Yes, both You Need A Wiki and Circular Docs offer a Free Trial.
You Need A Wiki is designed for Individuals, Medium Business and Small Business.
Circular Docs is designed for Medium Business and Small Business.
Pricing for You Need A Wiki Starts at $10/Month whereas for Circular Docs Starts at $9/Month.
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.
Some top alternatives to Circular Docs includes SmartSupport, HelpHub, Qualified, BetterDocs, Workvivo, KnowledgeBase, Whatis, Kbee, Docular, ProProfs Knowledge Base, Nocode and IFTTT.