Re-Zombies-V1.5-Ver-1.12.2.jar by Jenssons, MCreator
Re-Zombies is a mod inspired by Mo-Zombies that sadly hasn't been updated sense 2015.
WurmTweaks by Wurmatron
Tweaks all the recipes in the game along with adding quite a few diffrent items.
BetterChests by Aroma1997, Noisyboy, TechMac
This mod was created during ModJam, August 2013 by Aroma1997. This mod adds a new type of chests, that is mostly adjustable. You can put some upgrades into the chest and personalize the chest to how you want it to be.
Rotten Recipes by Konitor
This is a recycling mod: Armor to ingots. Armor and rotten flesh to leather.