Trello
Trello can help you manage your daily work and projects in an effective way. It is designed for personal use (e.g. your household buying list) and group use (e.g. plan a camping with your friends). Before you use this application, you may first learn a method for accomplishing tasks. There is a simple method named "Getting Things Done (GTD)" you may consider to learn. Once you are familiar with this method and have studied the online tutorials offered by Trello, you can than start using this social media application.
Benefits: raise personal productivity, enhance group project communication, integrate with major cloud storage.
Major applications: daily tasks in your workplace, group projects with your friends, planning.
Website: www.trello.com
Online help: http://help.trello.com/
Pricing: commercial, free trial
Operation mode: online only