Link Launcher is a GUI tool that helps you choose the Web browser in which to open a link. It is called whenever you follow a link from an application other than a Web browser, and it presents you with a choice of the available Web browsers, so that you can use the browser that is appropriate for that particular link.
VFSJFileChooser is a Java Swing component that allows you to browse both remote and local filesystems. It is based on the Apache Commons VFS library. It can replace the standard Java JFileChooser in applications that need to access remote files. It supports all the protocols available in Commons VFS: FTP, FTPS, SFTP to access files using SSH, SMB to browse Windows/Samba shares, HTTP, and HTTPS.
KDelicious adds several options to the Konqueror (right-click) Action menu, allowing you to use the del.icio.us Web site in various ways. You can bookmark the current page on del.icio.us, add your del.icio.us posts to Konqueror's bookmarks, access other del.icio.us features (your posts, subscriptions, inbox, popular, network), and manage preferences. It integrates seamlessly with KDE and KWallet, which means proxy connections and secure password storage are supported.