Firepoker - Agile Planning Poker powered by Firebase and AngularJS
Planning Poker - Open source implementation of planning poker game (collaborative online estimation/voting tool).
Methodist.io - Methodist provides free online agile services for distributed agile teams. Planning poker & Retrospective online boards.
PlanITpoker - PlanITpoker is a cool on-line planning poker app that helps Agile project teams estimate projects easily.
rerail.io - Remote Sprint Planning Poker Tool
Planning poker online - Poker pointing made simple for distributed teams