Doodle - Make meetings happen. With Doodle, scheduling becomes quick and easy.
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.
Vyte - Free and easy scheduling application for professionals.
Notion - All-in-one workspace. One tool for your whole team. Write, plan, and get organized.
Framadate - Make your polls
Slack - A messaging app for teams who see through the Earth!