The Greasemonkey extension has long been one of our favorite tools for Firefox, allowing us to bend the web to our will with light and simple scripts written in JavaScript. Now most Greasemonkey scripts work in Chrome, no extension required.
Google Chrome extension A Bit Better RTM is one of our favorite ways to tweak the popular Remember the Milk online to-do list web app, and now it's been ported as a native Google Chrome extension.
Firefox with Greasemonkey: We use galleries sparingly around these parts, but some of you just don't like Gawker's new gallery layout. Thanks to one script-savvy Lifehacker reader, you can now install a user script that'll get rid of our galleries for good.