Remember the days pre-OS X, when you could hit the Spacebar on your keyboard as your Mac started up, giving you access to the Extensions Manager? Man, I surely do not miss those days. Startup items are now called Login Items, and they just happen, right?
OS X really doesn’t give us much choice in how these apps and features that we blissfully add to our Macs launch on startup, though, does it. If you want to have some control over the Login Items, check out this free little app, Exhaust.