Yes, both Trello and Nave offer a Free Trial.
Trello is designed for Individuals, Freelancers, Large Enterprises, Medium Business and Small Business.
Nave is designed for Freelancers, Medium Business and Small Business.
Pricing for Trello Starts at $5/User/Month when Billed Yearly whereas for Nave Starts at $31/User/Month when Billed Yearly.
Some top alternatives to Trello includes Smartsheet, Miro, Process Street, Wrike, Notion, Freshbooks, Jira, Basecamp, Zoho Projects, monday.com, Asana, Teamwork, ProjectManager.com, Microsoft Project, Worksuite, Trackboard, Quick Base, Todoist, ClickUp, Resource Guru and Height.
Some top alternatives to Nave includes Kanboard, Kanbanize, Screenful, Geckoboard, SheetChart, BrightGauge, InetSoft Style Scope, Kanban Tool, KanbanFlow and Kanban One.