RubyDoc Search is a Chrome add-on developed by Dave McCloskey. It is a free tool that allows users to search for Ruby documentation from ruby-doc.org directly within the Chrome omnibox. With this add-on, users can quickly access relevant information about Ruby without having to navigate to the website.

To use RubyDoc Search, users simply need to type "rdoc" followed by their search query in the Chrome omnibox. The add-on will then display search results from ruby-doc.org, making it convenient for developers and enthusiasts to find the information they need.

Overall, RubyDoc Search is a useful tool for anyone working with Ruby, providing a quick and efficient way to access Ruby documentation within the Chrome browser.