AmaLinks Pro - All-in-one WordPress plugin for Amazon affiliates
Speedtest by Ookla - Measure your ISP's performance in a click
Plugin Table - Periodic table of all the most popular WordPress plugins
Global Website Speed Test - Test website load speed from 18 cities, including 3 in China
Stencil for WordPress - With Stencil for WordPress, you can design images as you write posts without ever leaving the page!
Meteor - Meteor is a set of new technologies for building top-quality web apps in a fraction of the time.