Title says it all. Koenraad Van Nieuwenhove from Flanders posted in Cocoa Crumbs a simple little app that can be used to switch spelling languages quickly in Mac OS X Leopard. As he says in the blog, it is not the most elegant piece of script, and it has its limitations, but it does the job. If you write in more than one language in a Mac, you need it badly, and you will love it. Download before the price goes up!
Now there are only 2 things needed to make Leopard more perfect. One is a Mail.app option to show the mailboxes in column format (NeXTies will understand what I am talking about). The other is to recompile the old Words screensaver (It stopped working around Tiger).