Paws for Trello - The best way to use Trello on your desktop
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.
Pliim - One click and be ready to go up on stage and present!
Planyway - Visual project management for Jira and Trello: manage resources, build project roadmaps, use time tracking.
Momentum - Agile goal and performance management
Corrello - Dashboards for agile teams using Trello