Yes, both Slicki and Kipwise offer a Free Trial.
Slicki is designed for Medium Business and Small Business.
Kipwise is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Slicki Starts at $20/Month whereas for Kipwise Starts at $25.50/Month when Billed Yearly.
Some top alternatives to Slicki includes PandaDoc, Kipwise, GitBook, M-Files, DocuWare, Documize, OpenKM Document Management, Papermind, Klutch, KB Clip and Slick.
Some top alternatives to Kipwise includes Guru, Zoho Wiki, Drupal Wiki, Slicki, IntelligenceBank KM, Papermind, HelpHub, HuForce, PageWise and Whatis.