Nightlies for the very popular Cyanogenmod are now downloadable for those with unlocked devices. It is a basic version of Android, similar to what’s already on the Nexus 10 with tons of customizable features and under-the-hood tweaks and optimizations.
These first nightlies could very well be unstable, so make sure you understand your Nexus 10 might not be at its peak performance until all the kinks are worked out and some release candidates or final builds become available.
If you need to know how to root your Nexus 10, check out our article on it earlier this week.
When you’re all set and ready to go, you can go here to download the latest nightly builds of Cyanogenmod 10.1 for your Nexus 10.