Minecraft Java 1.20 Mods
Browse 289 free mods for Minecraft Java 1.20 — popular picks include Boss Checklist - Mob AI Tweaks Compatibility, Mechanica, Ultris: Boss Expansion — Mob Battle Patch.
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Boss Checklist - Mob AI Tweaks Compatibility
Integrates the Ominous Phantomare boss as well as the reworked Elder Guardian and Ravager from Mob AI Tweaks as entries in the Boss Checklist mod.
Mechanica
A Minecraft modpack that enhances the vanilla experience with new biomes and structures to explore, new items, decorations, new mobs, quality of life (QOL) mods, as well as optimization mods, but most of all, the Create mod!
Ultris: Boss Expansion — Mob Battle Patch
An addon data pack for Ultris: Boss Expansion that enables non-player entity aggro on its bosses among other tweaks tailoring to mob battle functionality.
Pierogi's Story Mode Poof Sounds
This rescorepack adds poof sounds from Minecraft Story Mode when mob dies.
IE's Tweaks (Fabric)
Add some small useful tweaks for vanilla to let it more immersive.

PaperTweaks
A better-performance replacement of the popular VanillaTweaks datapacks, in plugin form.
Monster Energy Can Potions
Replaces potions with Monster cans.
Blu-RAE
64x Resolution Resource Pack with Enhanced Biomes, New Designed Mobs and Villagers, Helpful Redstone Devices, Various Block Options, and New Animated Textures. Available for Minecraft Java Edition 1.19 and up!
Eyes in the Dark
Resource Pack that makes all mob eyes glow in the dark
K0JIN's Modern Creeper
A modern retexture of a classic mob.
Halloween Tweaks
Small and minor halloween-related tweaks to make your game spookier!
Sea Core Balance & Utilities
A balance and utility addon for Mine Mine no Mi and CartAddon, focused on cleaner PvP, reworked abilities, improved fruit terrain effects, bosses, crates, and server-friendly config tools.
Connected Softer Wool
Makes wool and carpets connected!
Isaocat Utilities
Just a bunch of ideas I had
The Bubz Pack 2 [Forge]
This is a simple modpack created for the community of Mr Bubblez, mostly based on vanilla with some QoL and fun mods added along the way. More mobs for you to have issues with and also some selected UI tweaks to help with the user experience
Wolven Tweaks
Tweaks Mod for Wolven, adds in multiple things, currently work in progress. I made this since some features are only in better than wolves and there was no other mod I could find that had those features
Red Cpvp 16x pack
Red CPvP Pack is a clean, competitive resource pack designed for Crystal PvP. It features a polished red-themed style, optimized textures, and clear visuals for smooth gameplay and better combat visibility.
Peace & Quieter
A sound-focused resource pack that reduces loud, repetitive, and annoying Minecraft entity and ambient sounds.
Fossils and Archeology Stat and Size Tweaks
changes the stats of most of the animals, and changes the sizes of a few
Clean Mob Spawners
Makes the mob spawners much clean. Have two styles.
Warium Tweaks
EN «Server Safe», «No Nukes», «Anti-Grief»,«No Structures»,«No Mobs»
Toto's Carpet Tweaks
Adds a few QoL changes to the SMP experience
Hero’s Trial
Minecraft: Hardcore! Survive with Xaero’s Minimap and Just Enough Items. But be warned: this world is unforgiving. The creatures are dangerous. Do you have what it takes to survive the onslaught?
Vanilla Enhanced Beds
Change beds to add them detail with little pixel arts of different minecraft mobs!
Shearable Iron Golems
A simple quality of life mod that enables shearing the iron golem vines. You can also place them back at any time or let them naturally regrow.
TOTK Music for Mob Battle Music
Tears of the Kingdom music when you battle enemies!
Moberhaul
Mobs overhauled... if the name wasn't self explanatory enough lol
Withering AI Tweaks
Allows Withering Heights to work with Mob AI Tweaks' Wither rework
Cruelty-Free Fixes
This is a Vanilla+ mod that tweaks the game in a few ways, with some focus on reducing necessity for animal cruelty.
Farm Animals Reforged
*This is a part of a major minecraft Resource Pack who I am making who will be called "Minecraft Reforged".* This Resource Pack changes the farm animals of the game to be more consistent and good looking.
VL+
VL+ Differentiates many things on the Ventureland Minecraft RPG server to make things easier to spot and ups the quality of running around exploring the world by changing some mobs textures using RET(ETF)
Denis' Mightier Mobs
A small collection of various biome adapting mob resource packs
The Bubz Pack 3 - CreateTech
This is a Tech Create created for the community of Mr Bubblez, mostly fun mods added along the way. More mobs for you to have issues with and also some selected UI tweaks to help with the user experience
Limee Pack
A texture pack focused on a stylized vanilla, but still giving a different touch to the appearance of the game with items, mobs and gui.
[HMI] Spawn Egg Animations
This Minecraft resource pack adds unique custom animations to all spawn eggs, making each one feel more alive and visually distinct. It enhances immersion and makes spawning mobs more dynamic and engaging
Minecraft Dungeons Pets
A resourcepack that adds most of Minecraft Dungeons' Pets to the base game.