Yes, both Fibery and Notion offer a Free Trial.
Fibery is designed for Large Enterprises, Medium Business and Small Business.
Notion is designed for Individuals, Freelancers, Medium Business and Small Business.
Pricing for Fibery Starts at $20/Month when Billed Yearly whereas for Notion Starts at $4/Month when Billed Yearly.
Some top alternatives to Fibery includes Quick Base, Internal, Airtable, ClickUp, Notion, Coda.io, DOCOVA, ZapUp by 500apps, 2OS App Builder, WeLoveNoCode and Team Wiki.
Some top alternatives to Notion includes Jira, Knote, Trello, Confluence, Asana, Easynote, ClickUp, TWiki, MeisterNote and Zenkit Hypernotes.