There are a lot of different services and instruments in internet space but it’s quite difficult to find really useful and qualitative. What’s why I propose to observe 5 services must known. After short discovery of each one you can notice which of is more interesting and useful for you.
LiveGO 
LiveGO – is a universal solution which allows Internet users for stay connected in social networks like Facebook and Twitter, as well as in messaging applications such as MSN Messenger, Yahoo and Gtalk, and to receive your mail in Hotmail, Gmail and Yahoo.
Proto.io
Proto.io allows you to create high-quality, fully interactive prototype of mobile applications in minutes . These prototypes can make to be viewed through a browser or device with real sense of application using . There is support for multiple types of smartphones and tablets like iPhone, iPad, Android, Blackberry, Windows mobile and many more.
Kickofflabs
Kickofflabs helps businessmen attract customers through newspapers, tabloids, etc.
Trello
Trello – is an instrument that allows you to optimize team work in the different project. Trello describe you work process, structure , and progress in a particular case.
PhotoPeach
With PhotoPeach you can create a colorful slideshow, and show after to your friends or family. With this application you can easily send the finished slide show via e-mail, instant messenger or to publish it in Facebook.
