Apps with 'Time estimates' feature
ClickUp is an all-in-one project management platform that eliminates the need of using more than one tool for your organization’s workflow.
Marvin incorporates principles from behavioral psychology to help you beat procrastination, feel in control and finish your todo list. Marvin is specifically designed to help you get your tasks done and not just store them.
Ora is an all-in-one realtime workspace for teams. It has everything your team might need to be productive.
HeySpace is a free task and simple project management software with communication and collaboration features.
GoalStream is a project planning app that lets you visualize dependencies between tasks.