Adobe
Yes, both Retrium and Resource Guru offer a Free Trial.
Retrium is designed for Large Enterprises, Medium Business and Small Business.
Resource Guru is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing for Retrium Starts at $29/Month whereas for Resource Guru Starts at $2.50/User/Month when Billed Yearly.
Some top alternatives to Retrium includes Quickbase , Smartsheet, ClickUp, Freshbooks, Wrike, Zoho Projects, ProjectManager.com, Microsoft Project, ProWorkflow, RADAR, TRACR, Worksuite, Watchwork, Quick Base, Resource Guru, Project Insight, Retrocat, Metro Retro and bttr.
Some top alternatives to Resource Guru includes Resource Management by Smartsheet, Smartsheet, Float, Saviom Enterprise Resource Management, eResource Scheduler, Schedule it, Mosaic resource management, Runn, Hub Planner, TeamQ and Projectum Team Planner.
