The CyanogenMod has released the stable version of CyanogenMod 10 ROM that brings improved Android 4.1 Jelly Bean for rooted Android devices including Samsung Galaxy S II, S III, Google Galaxy Nexus, Black LG Optimus, HTC EVO 4G and Nexus 7 tablet.
Folks who are not familiar, CyanogenMod is a customized Android firmware works for Android users who want to modify their stock Android smartphone.
You can download CyanogenMod 10 stable ROM via source.
Latest CyanogenMod 10 ROM woks good on Nexus 7.