Todoist - Todoist is a to-do list that helps you get organized, at work and in life.
workhive - Workhive is a system for team communication and collaboration. Have conversations in real-time inside web and mobile apps, share files with your team, Try it for Free.
TickTick - TickTickis a cross-platform to-do list app & task manager helps you to get all things done and make life well organized.
Slack - A messaging app for teams who see through the Earth!
Things - Things is an easy to use task manager.
dapulse - Lead by showing your team the Big Picture. Get everyone working together on what's important.