June 8, 2009: Apple introduces OS X Snow Leopard, a version of its Mac operating system that ranks among the company’s finest desktop updates.

It may not be as flashy as some other OS upgrades, but it more than delivers on Apple’s core values. It paves a path to a bright future for the Mac.

Tired of right-clicking (control-click or two-finger click on trackpads) on a file and seeing a ton of duplicates in the Open With… contextual menu pop up? Not only is it aesthetically annoying, it takes up valuable real estate on smaller screens, and makes you move your mouse cursor more than you should, which could lead to repetitive-stress injuries. Or, you know, a tired finger or three.

Anyway, if you want to get rid of those duplicates, try the following.

Dock Spaces allows users to have up to ten different customized docks, each with its own set of applications, documents and stacks. This simple shareware app will also let users set the preferences for each instance of Dock that they set up, including the size, position of the screen, and magnification.