Yes, both Kendis and Notion offer a Free Trial.
Kendis is designed for Large Enterprises and Medium Business.
Notion is designed for Individuals, Freelancers, Medium Business and Small Business.
Pricing for Kendis Starts at $5/User/Month whereas for Notion Starts at $4/Month when Billed Yearly.
Some top alternatives to Kendis includes ClickUp, Smartsheet, Miro, Process Street, Wrike, Notion, HubSpot CRM, Jira, GitScrum, Krosswall, Jile, SwiftKanban, Agilean, Quick Base, Height, Yodiz, VivifyScrum and Agilefant.
Some top alternatives to Notion includes Jira, Knote, Trello, Confluence, Asana, Easynote, ClickUp, TWiki, MeisterNote and Zenkit Hypernotes.