Nifty - Manage projects, work, and communications in one place.

Taskade - Make lists, organize your thoughts, and be inspired to get things done. Taskade is a collaborative space for your tasks.

Trello - Infinitely flexible. Incredibly easy to use. Great mobile apps. It's free. Trello keeps track of everything, from the big picture to the minute details.

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.

Jira - The #1 software development tool used by agile teams. Jira Software is built for every member of your software team to plan, track, and release great software.

Riter - Project management & team collaboration tool