Autopost is a web application using Codeigniter framework and Twitter bootstrap. Here are some of its features:
Across Time Zones
Fbtweetbot allows you to post messages in different timezone easily
Post messages to Facebook and twitter accounts with an image or link. No Problem!
Post messages to your Facebook account or your community page account.
Autopost allows you to create queues for your tweets easily
Autopost allows you to integrate RSS Feed of your blogs or any sites with your Twitter or Facebook accounts.