StreetEasy
OpenProject offers Free Trial, but Stacks does not.
Stacks is designed for Large Enterprises, Small Business, Medium Business and Individuals.
OpenProject is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing details for both Stacks and OpenProject are unavailable at this time. Contact the respective providers for more information.
Some top alternatives to Stacks includes Wrike, Smartsheet, Teamwork, ProjectManager.com, Microsoft Project, OpenProject, Haplen, Hive, Worksuite, Projectworks, Quick Base, ClickUp, Height and Kanban Tool.
Some top alternatives to OpenProject includes Quickbase , Smartsheet, Miro, Process Street, Notion, Freshbooks, Jira, Wrike, Zoho Projects, Taiga, Asana, Teamwork, ProjectManager.com, Microsoft Project, Leantime, Worksuite, Quick Base, ClickUp, Resource Guru, Redmine X, Height and RedmineUP.