Wunderlist is a cool to-do application to keep track of tasks across your device. You might be thinking that there are already so many to-do apps then why WunderList? WunderList is not yet another to-do app, its USP lies in its simplicity and its beautiful interface. It is a browser app for all major platforms like Android, iOS, Mac OS X and Windows. Another specialty of WunderList is that it is an app for teams so that the users can collaborate with other team members and add recurring tasks and subtasks.
HipChat is a cool application for those who work in teams and need to remain in touch with each other in real time. Hipchat is free for teams of up to five members, members can login using their mobile, their desktop or web apps. HipChat can combine group chats and one-to-one instant messaging sessions and can also be used to share documents like pdf, word files, text documents, spreadsheets, images etc.