Hudu offers Free Trial, but Shelf does not.
Hudu is designed for Medium Business and Small Business.
Shelf is designed for Large Enterprises, Medium Business and Small Business.
The starting price of Hudu begins at $31/Month, while pricing details for Shelf are unavailable.
Some top alternatives to Hudu includes Confluence, Planisware Enterprise, GitBook, Drupal Wiki, LearnLode Enterprise, TWiki, Engynn Intranet, PortalsXpress, N-able Passportal and IT Glue.
Some top alternatives to Shelf includes ComAround Knowledge, SmartSupport, KMS Lighthouse, Talisma KnowledgeBase, Verizon Knowledge Assist, IntelligenceBank KM, KnowledgeOwl, HuForce and ContactEngine.
