PlanITpoker - PlanITpoker is a cool on-line planning poker app that helps Agile project teams estimate projects easily.
ApproveIt for Slack - Get approvals in minutes, not days. Right from Slack!
Firepoker - Agile Planning Poker powered by Firebase and AngularJS
Approve app for Zendesk - Any enforceable and auditable approval workflow for Zendesk tickets you can imagine can be easily created using the Approve app.
Planning Poker - Open source implementation of planning poker game (collaborative online estimation/voting tool).
Approved - The better way to get approvals, right inside of Slack