SkinsDB
bell07

Custom player skins manager with support for 1.0 and 1.8er skins and inventory skins selector

3D Armor
stu

Visible player armor & wielded items.

Vehicles
D00Med

A mod that adds an api for cars, planes, and other vehicles.

3D Armor Mobile
LandarVargan

Adds a command to bring up a formspec that allows mobile users to put on armor

Library Mount
Panquesito7

API Framework for mounting objects.

Edit Skin
Johannes Fritz

Advanced player skin customization

Fire Master
Flay Krunegan

Fire Master is a powerful weapon that can shoot fire

Church Modpack
SFENCE

Church Modpack adds many decorative nodes to the game.

Kill History
LMD

Adds a kill history