Shortwave Bookmarklet - Shortwave is an extensible quick-search and shortcut bookmark.
Shortwave - Email smarter & faster with a reinvented experience for your Gmail
Audiorealm.com - AudioRealm is your destination for thousands of radio stations from all over the globe.
Greasemonkey - Customize the way a web page displays or behaves, by using small bits of JavaScript.
Tampermonkey - Greasemonkey compatible script manager.
Yoast - Yoast offers plugins to improve SEO and optimize web sites and blogs.