[Ilgaz]

I can easily suggest Cocoa Suite as it works on my macs since 2003 without any problems.

It also comes with a marvellous input managers 'manager' for Leopard which means you don't have to attach its input manager to very application you use. You just select which apps.

Just like Omniweb, CocoaSuite (and some others) are only possible on OS X since there is (often misused and misunderstood) Input Manager technology exists.