Neoforge Mods for Minecraft 1.21
Browse 1,785 free Neoforge mods for Minecraft 1.21 — popular picks include Easy Mob Spawn Control - spawn rate, mob cap, disable bad mobs, No Random Ticks, ServerWarashi.
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Easy Mob Spawn Control - spawn rate, mob cap, disable bad mobs
Quickly adjust spawn rate, ban mobs, change mob limit and more with in-game menu
No Random Ticks
Prevent blocks from performing randomTick() or even tick()
ServerWarashi
A chunk management mod
ZeroCore
A mod intended for other mod authors, it contains a revised multiblock API that support multiple client mods without performance penalities, a new new GUI system, a base BlockEntity implementation that simplifiy data syncronization and much more.
Moonrise
Optimisation mod for dedicated and integrated server.
钠-汉化模组(Sodium Chinese Localization Mod)
A project can translate you sodium mod into Chinese
Pixelmon Plus+ The Top Pokemon Experience in Pixelmon - Fully Optimized - Best Pixelmon Server - All Pokemon
✅ Pokemon + Minecraft in Pixelmon, Generations 1 - 9 Confirmed ✅ Start your Pokemon journey the right way, with thousands of custom textured Pokemon to catch and hundreds of features to keep yourself entertained in Pixelmon. Multiplayer server included.
Advanced Wall Climber API
A powerful API for Minecraft mods that enables advanced wall climbing mechanics for entities. This API allows mod developers to easily add spider-like wall climbing behavior to any mob.
Podium
A tiny mod that disables Sodium's PojavLauncher check.
命运齿轮FOM【Fate's Machinery】
轻量级机械动力整合包,基于最新NeoForge优化,专注自动化玩法,流畅低耗。 Lightweight Create modpack on NeoForge, optimized for smooth automation gameplay.
Create: Deployer API
A create library for addon-developers to simplify logistics

Dynamic light
Mobs on fire and some items emit light! Like the OptiFine's dynamic light.
Better MC [NEOFORGE] BMC5
Version 1.21.1 | Vanilla+ Experience With The Player in Mind | A New Era of Better MC!
Tick Tweaks
Optimization Mod for Tick Rates
EverFurnace
Never lose cooking progress again. EverFurnace simulates furnace operation while you're away — come back from adventuring and your Furnace, Blast Furnace, or Smoker will have everything ready, as if it never stopped.
Load My Chunks
A Server Friendly Chunk Loading Mod
Curtain
A Forge mod like fabric-carpet
Find me
Find Me is a mod for storing, summoning, and managing creatures and vehicles.
RestMode
Reduces PC load while you’re AFK, with a customizable sleep screen
WorldgenFeatureFix
Fix custom world generation datapack crashes when using minecraft:lake feature ( MC-273228 and MC-272370)
Bye?Pregen!
Reduce MSPT spikes and server freezes caused by chunk generation and speed it up.
DespawnTweaker Refoxed
Better Let Me Despawn optimization | Don't allow mobs from spawners to despawn
Flowing Fluids
Gives fluids realistic flowing physics, making them mostly finite. With various settings for performance, visuals, and gameplay interaction.
Fix Attack Lag
Fix the lag caused by excessive single damage during player attacks.
Create: Nowheel
Boost performance in Create using Occlusion Culling
KEO RPG optimized
Keo RPG is a fully Spanish, highly optimized modpack with over 200 mods that lets you rediscover Minecraft with freedom, RPG classes, magic, and epic bosses.
Cull Particles MultiLoader
MultiLoader particle culling mod to improve performance
The Broken Script Enhanced
A horror modpack based around The Broken Script, adding small mods to aid it in giving you a sense of fear and paranoia.
Substrate
Optimization of the bottom and/or top layer(s) of the world
Vein Vantage
Better Mining
PartiCull: Particle Fix
Dynamically adjusts particle effects based on FPS to keep gameplay smooth.
Krypton Hybrid
Krypton Hybrid is a fork based on Krypton fnp legacy, providing the netty optimizations missing in the legacy version, replacing the speed compression implementation with native zstd and lz4 algorithms, and supporting hybrid server.
Hide Item Frame
Hide the frame if it contains an item
Ice And Fire Smithing
Progression-based smithing for the Ice And Fire mod.
No Infinite Effects in Hud
Disables infinite effects display in the hud.
JEIOptimizer
15× faster JEI ingredient filter build — drastically reduces "Joining world..." wait time on big modded servers.