Facebook for Business - Facebook Business gives the latest news, advertising tips, best practices and case studies to meet the business goals.
Owlead - Grow your Twitter with valuable followers, effortless
Buzzstream - Build Relationships. Build Buzz. Web-based software that helps the world’s best marketers promote their products, services and content.
Tweetbook.in - Tweetbook.in lets you create and save a diary like PDF ebook of tweets.
Fomo - Fomo turns your site into the online equivalent of a busy store
Narrow - Narrow helps you build a targeted audience and increase your influence on twitter.