PlanITpoker - PlanITpoker is a cool on-line planning poker app that helps Agile project teams estimate projects easily.
Box - Box offers secure content management and collaboration for individuals, teams and businesses, enabling secure file sharing and access to your files online.
Firepoker - Agile Planning Poker powered by Firebase and AngularJS
Dropbox - Online Sync and File Sharing
Planning Poker - Open source implementation of planning poker game (collaborative online estimation/voting tool).
Google Drive - Access and sync your files anywhere