Chicken Dinner - Grow your MailChimp list fast with a giveaway!
FileProInfo - It's All About Files, Software, Online Tools - 100% Free
Mailchimp Pro - A new suite of features to optimize emails for $199/month
File-Extensions.org - Large computer file extension library with detailed explanation of each file type with links to download free or associated software programs.
Ghost - Ghost is a fully open source, adaptable platform for building and running a modern online publication. We power blogs, magazines and journalists from Zappos to Sky News.
FileInfo.com - FileInfo is the central file extensions registry and contains a database of over 10,000 file types.