Yes, both Thrive and Basecamp offer a Free Trial.
Thrive is designed for Freelancers, Medium Business and Small Business.
Basecamp is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing for Thrive Starts at $15.80/User/Month when Billed Yearly whereas for Basecamp Starts at $15.
Some top alternatives to Thrive includes Quickbase , Smartsheet, ClickUp, Zoho Projects, Basecamp, Trello, Wrike, TeamGantt, ProofHub, monday.com, Asana, ProjectManager.com, Quick Base, Citrix Podio and Adobe Workfront.
Some top alternatives to Basecamp includes Quickbase , Smartsheet, ClickUp, Zoho Projects, Jira, Trello, Wrike, TeamGantt, monday.com, Asana, Teamwork, ProjectManager.com, Quick Base, Project.co and Notion.