Productify - Sell your WordPress content using Gumroad
AmaLinks Pro - All-in-one WordPress plugin for Amazon affiliates
Typeboost - Music stops when you stop typing. Stay focused while writing
WP Plugin Directory - A smarter way to find WordPress plugins
Additor beta - Pocket and Evernote got a minimal and collaborative baby
Periodic Table of Elements - A Periodic Table of Elements that contains more than 25 scientific truths about each element...