Yes, both Tettra and KnowledgeBase offer a Free Trial.
Tettra is designed for Large Enterprises, Medium Business and Small Business.
KnowledgeBase is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Tettra Starts at $8.33/User/Month when Billed Yearly whereas for KnowledgeBase Starts at $59/Month.
Some top alternatives to Tettra includes Zoho Wiki, KBPublisher, Drupal Wiki, TWiki, KnowledgeBase Manager Pro, Omnistar Kbase, Talisma KnowledgeBase, KnowledgeOwl, KnowledgeBase and ProProfs Knowledge Base.
Some top alternatives to KnowledgeBase includes KBPublisher, SmartSupport, KnowledgeBase Manager Pro, Omnistar Kbase, Talisma KnowledgeBase, IntelligenceBank KM, Helpjuice, KnowledgeOwl, Qualified, Workvivo, PaceKB and ProProfs Knowledge Base.
