Yes, both LiquidPlanner and Jira offer a Free Trial.
LiquidPlanner is designed for Large Enterprises and Medium Business.
Jira is designed for 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 LiquidPlanner are unavailable.
Some top alternatives to LiquidPlanner includes Quickbase , Smartsheet, ClickUp, Zoho Projects, Jira, Microsoft PPM, Wrike, ProjectManager.com, Microsoft Project, VisionProject, Projectworks, RationalPlan, Quick Base, Resource Management by Smartsheet, Height and Project Insight.
Some top alternatives to Jira includes Trello, Confluence, Asana, SwiftKanban, Kanbanize, ClickUp, Height, Kanban Tool, Kanban Zone and KanbanFlow.