Yes, both RationalPlan and Notion offer a Free Trial.
RationalPlan is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Notion is designed for Individuals, Freelancers, Medium Business and Small Business.
Pricing for RationalPlan Starts at $4/User/Month when Billed Yearly whereas for Notion Starts at $4/Month when Billed Yearly.
Some top alternatives to RationalPlan includes ClickUp, Smartsheet, Miro, Process Street, Wrike, Notion, HubSpot CRM, Microsoft PPM, monday.com, Teamwork, ProjectManager.com, Microsoft Project, Projectworks, Trackboard, TaskBranch, ProgressBoard, Quick Base and Project Insight.
Some top alternatives to Notion includes Jira, Knote, Trello, Confluence, Asana, Easynote, ClickUp, TWiki, MeisterNote and Zenkit Hypernotes.