NanoGod has reached over 3,000 downloads since being released around the time of patch 1.1, so now it has a new update! And many more features!
Dev topic: http://www.crymod.com/viewtopic.php?f=308&t=70751
FY71 Enabler 1.4 has been released as well:
And a video tutorial demonstrating how to create a mod using Sandbox 3, create a coded weapon, and edit equipment packs to use your weapon in single player!