Editors' Note: The Download Now link will prompt a local download of the Firefox extension. To install the extension directly, open the file using your Firefox browser.
All-in-One Sidebar is a sidebar control, inspired by Opera's. It lets you quickly switch between sidebars, view dialog windows such as downloads, extensions, and more in the sidebar, or view source code or Web sites in the sidebar. It includes a slide-out button and a toolbar, all of which can be extensively customized. All-In-One Sidebar provides also enhancements for many built-in and extension features and some extra features.
What's new in this version: