Yes, both Jira and Clarizen Go offer a Free Trial.
Jira is designed for Large Enterprises, Medium Business and Small Business.
Clarizen Go is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
The starting price of Jira begins at $6.25/User/Month when Billed Yearly, while pricing details for Clarizen Go are unavailable.
Some top alternatives to Jira includes Trello, Confluence, Asana, SwiftKanban, Kanbanize, ClickUp, Height, Kanban Tool, Kanban Zone and KanbanFlow.
Some top alternatives to Clarizen Go includes Connecteam, Smartsheet, Miro, Todoist, Notion, Process Street, Wrike, Clarizen One, Teamwork, ProjectManager.com, ProWorkflow, nTask, Today, MeisterTask, Taskwall, ClickUp and SmartTask.