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Klicko... In the Classic days, if you wanted to use a window that wasn't frontmost, you could click anywhere on it to bring it to the front. Mac OS X introduced a feature called "click-through" where certain controls, like the "traffic-light" buttons in the window title, would work even for background windows. Applications can also make other controls, or even the entire window, work with click-through.

Klicko blocks click-through inside application windows. You can make a list of included or excluded applications, or hold down a modifier key to momentarily override Klicko.

Klicko is a System Preferences panel written in more...

What's New

Version 1.1.1
  • Some applications reported to be incompatible are now added to the exclusion list during installation.
  • The updating process is now more reliable and uses less system resources.
  • Several bugs and edge cases have been fixed.


Mac OS X 10.5 or later

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Klicko User Discussion

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 (Developer) Member IconDev+3

A new build, 1.1(181) is out. Use the built-in "Check for Updates" function. It fixes a small incompatibility with Exposé (you had to click twice in some cases) and is, again, localized into French. Thanks to "follerec" for the heads-up.

Reply1 reply
Version 1.1

Sorry for not responding sooner about the bug.

Thanks for the quick fix! Seriously great app!

follerec Member IconComment+90

Would love to find a way to exclude Exposé. Using Exposé now requires to clicks to activate a Window.

Otherwise... great app!

Reply1 reply
Version 1.1
Rainer Brockerhoff (developer)

Can you email me with specific examples about this? Here for me, Exposé needs only one click.

bgw Member IconComment+0

I installed Klicko to tame the "Click through" beast. Did indeed. However, there was a side effect. In some instances clicking on a dialog box button no longer worked; now a command-click was required.

Reply1 reply
Version 1.0.1
Rainer Brockerhoff (developer)

The latest build (the version number hasn't changed) fixes the issue with dialog boxes and palette windows. There's still some remaining oddities but I'm working on them.

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Current Version (1.x)


Downloads 2,116
Version Downloads 1,093
License Free
Date 08 May 2009
Platform OS X / PPC 32 / Intel 32
Price Free
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