Agile Tools for Trello - The one power-up all agile teams using Trello need
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.
Trello for Slack - Organize anything with anyone, inside Slack
GoodGantt - The best Gantt chart for Trello®
Corrello - Dashboards for agile teams using Trello
Paws for Trello - The best way to use Trello on your desktop