For instructions about installing or building for maguro, see the CyanogenMod wiki page.
The latest builds are available at http://get.cm/?device=maguro.
Known Issues page for the Galaxy Nexus (GSM) (not updated yet)
Google Apps can be found at http://wiki.cyanogenmod.org/w/Google_Apps - beware that if you choose OpenGApps, only the pico version will fit, unless you change your partition sizes!
Want to support development? You can consider donating, I spent countless of hours with this
CyanogenMod 12.1, ROM for the Samsung Galaxy Nexus
Ziyan, MWisBest, Everyone else who helped me: AOSP, Hashcode, ...
Source Code: https://github.com/CyanogenMod/
ROM OS Version: 5.1.x Lollipop
ROM Kernel: Linux 3.0.x
Last Updated 2016-07-20