Systrace for Mac OS X 23
Niels Provos writes in that he has added Mac OS X support for Systrace, a sandboxing/application confinement tool that can be used to increase application and service security. It installs a new kernel to support /dev/systrace and the Systrace application, and a Cocoa frontend.
Re:Proprietary (Score:4, Funny)
Yeah, because having the entire Darwin sources available under an Open Source license is just