Sprint Poker by Parabol - Remotely bring planning poker to life
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 - Open source implementation of planning poker game (collaborative online estimation/voting tool).
ESTIMA - Planning Poker for remote teams
Scrum Card - Agile Poker - The coolest deck that makes agile estimating fun and accurate.
Scrumbot - A summary of all team data in Slack before your daily scrum