Planning Poker - Open source implementation of planning poker game (collaborative online estimation/voting tool).
Sprint Poker by Parabol - Remotely bring planning poker to life
Firepoker - Agile Planning Poker powered by Firebase and AngularJS
Chpokify - Planning Poker Tool that saves time of sprint estimation. Agile teams management tools. Jira Integration (Import/Export), auto-summary, smart voting management.
Planning poker online - Poker pointing made simple for distributed teams
Planning Poker for teams - Estimation for agile teams