DontDropIt

Prevents accidental dropping of items via various means.

SpeedTrading

Adds a button to the villager trading GUI to repeat the current trade until it's no longer available.

MultiBossBarFix

Fixes MC-165036, which causes all notched style boss bars rendered after the first one to render incorrectly.

CraftableChainmail

Minecraft mod for 1.12 that adds a recipe for chain armor.

KeystrokeView

Adds a HUD element that displays keystrokes, for recording and streaming.