Jaizmobs was a small project to get me familiar with modding, and from here will no longer be updated or bug fixed. Jaiz Mobs adds 20+ new features (as of the full release - 0.11.1.20.4 and up)

Help Me Hardcore Adds All Kinds of Extra Challenges from Community Ideas to Full-Themed Updates for Your Hardcore Worlds or Even Hardcore SMP Servers!