What do you use to manage or view all your social networks activities? (eg: facebook/twitter/yahoo)
If you don't, Yoono just might be the good help for you, in short its a free desktop application that allows you to receive & post updates within its interface, which supports MS Windows/iPhone or as a FireFox/Chrome plugin.
Are you finding an alternative for the software you're currently using, whether its due to unsatisfaction or expensive subscription? If so, you might want to check out alternativeTo.
The site function on giving alternative software suggestion based on user recommendations/likes, platform ranges from PC to phone (Windows, Mac, Iphone, Android...).