Craft by InVision - Sketch and PS plugins to pull live data into your designs
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.
Lucidspark - The virtual whiteboard that connects teams so they can bring their best ideas to life
Slack - A messaging app for teams who see through the Earth!
SuperNormal - Async video updates for remote teams
monday.com Gantt view - With our brand new Gantt chart, we’ve added more possibilities to make your workflow customizable.