Taskade - Make lists, organize your thoughts, and be inspired to get things done. Taskade is a collaborative space for your tasks.
Nifty - Manage projects, work, and communications in one place.
Meetings Are Dead - People spend most of their time on meetings, where they are not needed, being unproductive.With MAD(Meetings Are Dead) you can assign real tasks and problems to relevant people, while others can continue their work.
Flow - Stop managing projects from your inbox.
Riter - Project management & team collaboration tool
Workflow86 - All-in-one platform for automating complex workflows and business operations