Yes, both Redbooth and Notion offer a Free Trial.
Redbooth is designed for Large Enterprises, Medium Business and Small Business.
Notion is designed for Individuals, Freelancers, Medium Business and Small Business.
Pricing for Redbooth Starts at $9/user/month when yearly whereas for Notion Starts at $4/Month when Billed Yearly.
Some top alternatives to Redbooth includes Smartsheet, Miro, Process Street, Wrike, Notion, TeamGantt, Asana, Teamwork, ProjectManager.com, Microsoft Project, ProWorkflow, nTask, Taskworld, Trackboard, Quick Base, ClickUp and Height.
Some top alternatives to Notion includes Jira, Knote, Trello, Confluence, Asana, Easynote, ClickUp, TWiki, MeisterNote and Zenkit Hypernotes.