Postfity.com

Postfity is faster and easier way to publish great content across multiple social networks including Twitter and Facebook.Easly publish posts to your favourite social media (Facebook, Twitter, LinkedIn, Xing and more) directly from anywhere on the web.

OVERVIEW
This is an official plugin for Postfity application.
After installation, click on Postfity button on any website. Window with automatically filled content will open. You can edit post content it or leave it as is, and then you can schedule it or add to posts queue or publish immidiatelly.
You can do these actions to either single or multiple social profiles at the same time.
Yes, it is that easy, and yes -it's free :)

Postfity application greatly improves social managament - features include team collaborating, viewing your planned content in calendar or list view, import social posts from excel files, connect RSS feeds and more. You can find list of all features at Postfity.com :)