Easy organization within cards, ability to add checklists, due dates and assign tasks. Granular individual and team permissions for view/edit of boards. Ability to attach files and continuously edit comments and descriptions simultaneously. Email notifications improve workflow on tasks with multiple stakeholders. Review collected by and hosted on G2.com.

Free file upload limit is 10MB, although not altogether terrible when paired with external file sharing services like Box and DropBox. Integrations are limited in free tier plans. Review collected by and hosted on G2.com.