Yes, both Kipwise and HelpHub offer a Free Trial.
Kipwise is designed for Large Enterprises, Medium Business and Small Business.
HelpHub is designed for Medium Business and Small Business.
Pricing for Kipwise Starts at $25.50/Month when Billed Yearly whereas for HelpHub Starts at $39/Month when Billed Yearly.
Some top alternatives to Kipwise includes Guru, Zoho Wiki, Drupal Wiki, Slicki, IntelligenceBank KM, Papermind, HelpHub, HuForce, PageWise and Whatis.
Some top alternatives to HelpHub includes Zoho Desk, Zendesk Support, ManageEngine ServiceDesk Plus, Freshservice, Freshdesk, Teamwork Desk, Support Hub, Motadata HelpDesk, HelpDesk, SysAid, Jitbit Helpdesk, Desky, LabiDesk, HESK, Helpjuice and KnowledgeBase.