PlanITpoker - PlanITpoker is a cool on-line planning poker app that helps Agile project teams estimate projects easily.
Taiga - Project management platform for agile developers & designers
Firepoker - Agile Planning Poker powered by Firebase and AngularJS
Craft.io - All-in-one product management software for entire product lifecycle
Planning Poker - Open source implementation of planning poker game (collaborative online estimation/voting tool).
icescrum - iceScrum is an open source scrum tool for agile software development.