I'm currently working on a big project. One of the not-so-great things about tackling such massive projects is the Xcode's painfully long build time. It has a tricky job of putting everything together into one executable, and it can sometimes get lost in the process. It hangs, eating up available memory. This has been a known issue, and Apple hasn't managed to fix it yet.
The only solution is to kill all build processes and clear the project. Over a couple of weeks, I was doing almost daily, so I decided to create a simple utility app called Xplunger that unclogs the Xcode's build processes with only one click: