Catomon

Highlights your name or custom words from chat messages and plays sounds

Customize and display pop-up emotes above your character's head

Quickly adjust spawn rate, ban mobs or change mob limit with in-game menu

Villagers scream "No no wait" meme when hurt

Psychopaths hiding among villagers

Plays "scream and disappear" meme sounds when a player dies

Adds Bedrock-like third person effect on player's death

0 TPS (frozen world) detection, tick statistics in-game via overlay

Quickly access all Patchouli books and other guides via buttons in your inventory

Prevents placement of the last torch/lantern from offhand

Lose half of your current max HP each time you die. Recover with items or over time. Intended to balance keepInventory

Plays Touhou death sound on player death & changes xp orb texture to blue points

Slows stone mining depending on neighbor block count, making cave exploring more viable

Adds screen blacklisting to the What Are They Up To mod

Won't let you place blocks if hostile mobs are chasing you

Make structures generate only once (configurable)

Pop-up Emotes addon that lets you use and see emotes on vanilla servers

Players make a Kirby fall scream meme sound when falling to death

Send remote notifications that are shown on the title screen.