Yes, both Berkeley Publisher and Notion offer a Free Trial.
Berkeley Publisher is designed for Large Enterprises, Medium Business and Small Business.
Notion is designed for Individuals, Freelancers, Medium Business and Small Business.
The starting price of Notion begins at $4/Month when Billed Yearly, while pricing details for Berkeley Publisher are unavailable.
Some top alternatives to Berkeley Publisher includes WeWeb, simplewiki, GitBook, Drupal Wiki, TWiki, Wiki Valley, Microsoft Azure, HintEd, Kbee and ProProfs Knowledge Base.
Some top alternatives to Notion includes Jira, Knote, Trello, Confluence, Asana, Easynote, ClickUp, TWiki, MeisterNote and Zenkit Hypernotes.