Here’re few Facebook add-ons for Microsoft Windows IE8 browser:
Share with Facebook Accelerator allows you to share any text, link, or page with your Facebook friends with a single click. You can use this accelerator by selecting either some text or a link, or by right-clicking on any part of the page. It’s extremely simple, and is contained in a single XML file, based on OpenServiceDescription specification. Install.
Facebook Web Slice allows you to stay up to date with what’s happening in your Facebook network. Regardless what website you’re on, you can click at any time on web slice title and display the recent messages from your friends on your board. Web Slice uses Facebook Connect APIs to connect to your account and it shows a notification when new content is available. Install
Facebook Search Provider – you can start right away from the browser search box! Again, this extension is built on top of an XML file which describes the end-point for the search provider. Install
Facebook Toolbar lets you share with your friends while browsing anywhere on the web - get notified, share content, upload photos, and update your status no matter where you are! Install