Opera Software released a public alpha version of a new developer tool named Dragonfly.

The Dragonfly alpha release will upgrade automatically and includes a JavaScript Debugger, DOM and CSS Inspectors, Error Console and Command Line. To try it out, visit the Dragonfly product page for a free download.

To learn how more about how to use Opera Dragonfly head on over to dev.opera.com for an introduction.

Note especially that Opera is looking for feedback and that your input will help make the developer tools even better.