Among the many reasons I'm partial to Firefox is that Mozilla's browser has long offered a built-in spell checker. (Not that I need it, of course -- we payd riters learnt gud speling in skool.)

Oracle has imposed a fee of US$90 per user on a plug-in for Microsoft Office that was available at no cost under Sun Microsystems' ownership.

Mozilla has now unblocked a Microsoft add-on thought to pose a danger due to a software vulnerability, but a second add-on remains blocked, the organization said on Sunday.

Mozilla developers have launched a new online tool that tells Firefox users whether popular add-on components such as Java or QuickTime are up to date.

As it promised, Mozilla has created a page that checks for outdated plug-ins used by Firefox.

Mozilla's next update for Firefox, slated to ship Tuesday, will check for outdated versions of Flash Player, a frequent target of hackers, the company said on Friday.