NeoForge 1.21.1 Mods
Acedium
An Fork of Revidium based on Nvidium, an mod which uses nvidia only opengl extensions to increase fps by a significant amount.
Achievements Optimizer
Skip ticks for checking achievements. Additionally, adds optimizations to the achievements code.
AI Improvements
Simplified AI modification mod focused on performance and low level modifications to AIs.
All The Leaks (Memory Leak Fix)
Fixes various memory leaks from mods, Minecraft and (Neo)Forge.
Alternate Current
An efficient and non locational redstone dust implementation focused on reducing lag.
BadOptimizations
A collection of micro optimizations that enhance lightmap updates, sky color calculations, and more.
Better Chunk Loading
Predicts player movement and pre-loads chunks, increases chunk loading speed.
Better Fps - Render Distance
Adds a few performance improvements to increase fps.
Boat Break Fix
fixes a bug where boats falling of would randomly break and possibly kill the player + gives a slight performance increase for boats.
Chunk Sending
Optimizes chunk packet sending through sorting and distributing them over time.
Client Crafting
Client-side utility which makes crafting UIs much more responsive through eliminating the server delay.
Clumps
Clumps groups XP orbs together into a single entity to reduce lag.
Connectivity
Improves server connection stability and reduces lag spikes.
Crash Assistant
Shows a GUI after crashes immediately with all affected game/launcher logs.
Crash Utilities
Adds a number of tools for finding and fixing common server problems.
Cull Leaves
Adds culling to leaf blocks, providing a huge performance boost over vanilla.
Curtain
Fork of Carpet, gives many options for debuging and fixes a big list of bugs.
Dynamic FPS
Reduce resource usage while the game is in the background or idle.
Dynamic View
During server lag view distance and simulation distance get reduced.
Eco Stack Manager
Optimize servers by managing and cleaning up item stacks, XP orbs and user inventories.
Embeddium
Fork of Rubidium based on Sodium 0.5.8. Significantly improves rendering performance.
Entity Culling
Skips rendering non-visible entities and block entities to improve FPS.
Fast Async World Save
Asynchronous saving of world data all 5 minutes to reduce lag spikes.
Fast IP Ping
Reduces ping time for servers with literal IP address in the server list screen.
Fast Paintings
Optimizes paintings to render way faster.
FastFurnace
Improves TPS performance of Furnace, Blast Furnace, and Smoker using mixins.
FastWorkbench
Improves crafting performance and fixes shift-click crafting freezes.
FerriteCore
Memory optimization mod that reduces RAM usage without affecting gameplay.
Fix GPU Memory Leak
A mod that fixes some bugs which leak resources within GPU memory.
FTB Quest Optimzer
Includes optimizations for player inventory detection, as well as a configurable number of ticks to skip to check for quest completion.
Get It Together Drops!
Adds options to control how dropped items combine, improving performance in areas with many items.
I'm Fast
Removes the server-side limitations on player speed that result in "player XYZ moved too fast" messages in the console and rubber-banding.
ImmediatelyFast
Immediate mode rendering performance of the client.
Ksyxis
Speed up your world loading by removing spawn chunks.
![Leaky - Item Lag Fix[Forge/Fabric] logo](/img/mods/cf-856906-leaky.webp)
Leaky - Item Lag Fix[Forge/Fabric]
Detect, report and remove large amounts of stacked items, and improving the performance of items in general.
Lithium
Tick time optimizations that enhances various systems without altering behavior and make the game faster.
Max Health Fix
Fixes an old bug that causes the "Max Health" attribute to be ignored when a player joins the game.
![Memory Settings[Neo/Forge/Fabric] logo](/img/637855187332254154.png)
Memory Settings[Neo/Forge/Fabric]
Utility for checking Minecraft's memory settings at launch and warning the user when there is an issue.
ModernFix
Improves game loading times and fixes various performance issues in modern Minecraft.
Moonrise
Optimising performance of integrated and dedicated server with chunk system, collision rewrites and more
MoreCulling
Changes how multiple types of culling are handled in order to improve performance.
Nerunia - Ticking Entity Fixer
Prevents ticking crashes from bricking worlds.
Noisium
Optimises worldgen performance for a better gameplay experience.
![Not Enough Recipe Book [NERB] logo](/img/mods/mr-bQh7xzFq-nerb.webp)
Not Enough Recipe Book [NERB]
Completely removes the recipe book from the game, improving performance by removing recipe names.
Observable
Profiles entities and shows you what's taking up tick time and where
Packet Fixer
Fixes various packets/NBTs errors, like Payload or Packet Size.
Particle Core
Optimizes particle rendering and does not render particles out of view, adds also customization to disable particles.
Radium Reforged
An unofficial fork of Lithium for (Neo)Forge.
![Recipe Essentials [Forge/Fabric] logo](/img/mods/cf-907856-recipe-essentials-forge-fabric.webp)
Recipe Essentials [Forge/Fabric]
Caches recipe lookups and reduces total size of the recipe packet + Improves item comparisons.
ScalableLux
Fork of Starlight, an rewriten light engine to fix lighting performance and errors.
ServerCore
Several patches & optimizations to improve performance and reduce lagspikes.
Sodium
Powerful rendering engine and optimizations, which improves frame rates and reduces micro-stutter, while fixing many graphical issues.
Sodium Leaf Culling
Injects directly into Sodium's chunk mesh render to cull leaves.
Spark
Performance profiler used to diagnose performance issues: "lag", low tick rate, high CPU usage, etc..
Too Fast
Removes the server-side limitations on player speed that result in "player XYZ moved too fast" messages in the console and rubber-banding.
Too Many Entities
Hide extra entities in order to reduce lag, especially with mob farms.