Minecraft Java 1.21 Mods
Browse 86 free mods for Minecraft Java 1.21 — popular picks include TC VeinGlow PC, Opti Tech, NaOH.
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TC VeinGlow PC
An advanced vein mining mod with radial menu, RGB-customizable block outline highlighter, custom mining shapes, and a skill system for harvesting, tree-felling, and liquid handling.
Opti Tech
A client-side modpack for technical redstone players
NaOH
I added some mods and texture packs aimed at enhancing players' game visuals and FPS, suitable for both survival redstone servers and vanilla survival gameplay.
紅石生電整合包【Redstone Survival Modpack】
為奶油芝士伺服器訂製，單人亦可使用 This modpack customized for the ButterCheese server, also suitable for singleplayer.
FairPack
Adds various Utility features for pvp, redstone and survival like transparent ui, shorter swords, lower shields, golden apple count without Optifine
LetSableTick
LetSableTick fixes compatibility issues between Create Aeronautics and optimization mods like DoesPotatoTick & DoesItTick by keeping physics contraptions ticking properly.
Chanklouder
Chanklouder is a reliable plugin that lets players keep chunks loaded so their contraptions run 24/7. Manage loaders through a convenient GUI, with support for economy, regions, and multiple languages.
Create Rain Fix
Client-side mod that prevents rain and snow from rendering inside moving Create contraptions
Matt's Fat Pack
Explore mystical dimensions, conquer legendary bosses, and engineer impossible contraptions.
LagScope
LagScope is an all-in-one plugin that analyzes server lag in real time and actively optimizes entities, redstone, and explosions to keep performance stable.
Cobbromon
This modpack blends the creature-collecting adventure of Cobblemon with the mechanical creativity of Create. Explore the world, build clever contraptions, and grow your team—all in a seamless mix of exploration and engineering.
Seclosia Redstone Modpack
This a modpack with a range of technical mods perfect for any technical and redstone player. It also includes a few QoL features, with non of the mods included altering vanilla gameplay.
AWAWA'S Clan
AWAWA’s Clan is the official modpack of the AWAWA Clan on the DiosesMC server. It features performance enhancements, visual improvements, advanced chat communication, Redstone tweaks, and full compliance with server rules, delivering a smooth and immersi
Simply Redstonized
A performance-focused redstone modpack made with my favorite mods and resource packs.
LogicGates
Forget about giant Redstone logic gates. All logic gates in one block!
Performance Optimization Patch
A performance optimization patch bundle, suitable for all vanilla survival players and redstone players.
SenseiCloud's QOL Texture Pack
A texture pack with most of the quality of life feature needed and nothing that doesnt. pvp utills/redstone utills, Dark UI, Clean Font and of course last but not the least fps boosting features
Process Optimized
PROCESS Optimized Pack, deeply tuned for low-end GPUs, delivering stable 300-512 FPS with full technical redstone support, bringing smooth Minecraft 1.21.10 gameplay to aging hardware.
UltClearLagg
Advanced lag reduction, automatic cleanup systems, mob optimization, TPS monitoring, smart entity management, redstone lag prevention, Bedrock GUI support, and real-time server performance tools.
Chunk Border Redstone Highlighter
A client-side performance debugging tool that highlights redstone components sitting on chunk borders — the #1 cause of server lag. Toggle with one keypress (O).
Mojav Optimised
This modpack is designed to supercharge Minecraft performance on Fabric, improve framerate stability, reduce lag, and offer useful quality-of-life enhancements — especially on tougher worlds with lots of entities, redstone, or visual load.
SimpleChunks
An easy-to-use chunkloader with a modern GUI, teleport system, and secure permission management — ideal for farms, redstone, and automated systems.
Lagmanager
This plugin monitors redstone entity lag and keeps your TPS high through optimization ideal for server admins.
redstone-refined
A redstone-focused modpack with building tools and performance improvements. Build complex systems lag-free.
NoRedstone
Disable redstone components in specific worlds
Skybound Chronicles
A private modpack for me and my friends, built around Create and Create: Aeronautics at its core — featuring airships, mechanical contraptions, and a handpicked selection of mods for an immersive experience.
Redstone Counter
Counts redstone components within a chunk, configurable Blocks in Config. Compares against a maximum allowed number.
I Like Stone That Is Red
A pretty good redstone modpack.
computer_6
A lightweight redstone optimization pack
RedFreez
Plugin that finds possible redstone lag makers and gives owner ability to freeze them.
ServerInfoPlus | Real-Time Server Monitoring, Redstone Lag & Alerts
Advanced server monitoring, real-time alerts and performance diagnostics
Protect My Redstone
A singleplayer mod that detects active redstone ticks in loaded chunks and warns you before you log out to avoid breaking your farms/flying machines.
RedstoneCooldown
Redstone Cooldown adds configurable cooldowns to redstone-related interactions like buttons, levers, pressure plates, trapdoors, fence gates, and cauldrons. Prevent spam, reduce lag, and keep redstone mechanics fair and controlled.
Machinery
A high-performance industrial plugin that adds tiered resource production to Pistons and enhanced redstone signals to Hoppers and Crafters.
Cobalt Age
An expanded redstone, up to 60 power lenght, waterloggable, optimized, with vertical relays, incompatible with redstone, and blue! It comes with minerals and block sets.
RedOut
Allows players to get server metrics like mspt as a redstone signal from an item frame.