ITM Platform - Cloud-based Project Management Solutions
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.
Workfront - Award winning project management software helps you manage projects in one place. A cloud-based work management tool for marketing and IT teams.
Notion - All-in-one workspace. One tool for your whole team. Write, plan, and get organized.
Planisware - Planisware PPM software supports NPD and R+D processes to help organizations make confident business decisions.
Slack - A messaging app for teams who see through the Earth!