Corrello - Dashboards for agile teams using Trello
Planning Poker - Open source implementation of planning poker game (collaborative online estimation/voting tool).
Elegantt for Trello - The most elegant way to manage your Trello projects
Firepoker - Agile Planning Poker powered by Firebase and AngularJS
Toby for Teams - Better bookmarks, now with collaboration baked in 🔖
PlanITpoker - PlanITpoker is a cool on-line planning poker app that helps Agile project teams estimate projects easily.