Mods for Minecraft Java
Browse 203 free mods for Minecraft Java — popular picks include SerialCraft, Entity Observer, Peaceful Silverfish.
Step by step: How to install Minecraft Java mods & modpacks
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SerialCraft
Bring Redstone to life! A simple mod to connect Arduino and Minecraft via serial port. No complications, just plug and play.
Entity Observer
This project adds two new blocks. The Entity observer and the Player observer. The Entity observer gives a redstone signal if a entity is in front of it. The Player observer is the same, but for players.
Peaceful Silverfish
Peaceful Silverfish lets silverfish spawn from vanilla infested stone even on Peaceful. Great for Create farms and contraptions, but works perfect in vanilla too. Includes an option to mute silverfish sounds so your base stays quiet.
Create: Salvage Continued
An unofficial continuation of Create: Salvage. Use Create contraptions to melt unwanted tools back into resources.
Gravity Core Block
The Gravity Core Block is a redstone-powered device that creates an 8-block radius anti-gravity field

Redstone Striker
Trigger redstone instantly by right clicking it.

RegexRails
Add redstone logic for your detector rails. Compare minecart names, change them, and add to them.
NoRedstone
Disable redstone components in specific worlds
SimpleChunks
An easy-to-use chunkloader with a modern GUI, teleport system, and secure permission management — ideal for farms, redstone, and automated systems.

Sculk Eye
Adds a new Sculk Eye Block - scans entities of a given type in a given radius and emits redstone signal based on the count
Redstone-Game Tick Sync
Syncs the Redstone tick rate to the game tick rate at 1:1.
Accumulator
Adds a redstone block that pulls in entities in front of it. Uses materials from the Amarite mod. Made for my own personal use, as it requires Connector/Kilt.
Waterproof Redstone
A mod which adds redstone variants that dont break in water.
AstraRedstoneSystems
A modern and fast plugin for advanced redstone logic systems🌌⚡️
Redstone Inspector
Redstone analysis/debugging made so easy a toddler could do it.

Create:WebCode
Create: Web Code adds a block-based network dataflow system to Minecraft, letting players assemble URLs, send HTTP GET requests, parse JSON responses, debug live data, and drive redstone with real web data.
OptimizationForLB
The ultimate all-in-one Paper optimization engine: mob stacker, redstone limiter, smart chunk manager, RAM trimmer, and automated TPS Auto-Fix recovery.
Redstone Lamp Link
A Plugin to Control a Redstone Lamp with a Button without a Redstone Wire
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.
RedsTony's: Redstone Expansion
Standalone vanilla redstone overhaul
Redstone Hopper
Adds a Redstone Hopper, Redstone Hopper Minecart, and Item Filter for enhanced item sorting capabilities
BioLock Scanner
BioLock Scanner is a NeoForge 1.21.1 Minecraft mod that adds a player-only redstone scanner for secure doors, bases, and automation builds. It can be mounted on floors or walls, has a configurable detection radius, and prevents mobs from triggering
Crystal Components
Crystal based Redstone components
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.
Redstone crop harvester
The mod adds a redstone addition to harvest your crop automatically.
SmartPack
A Paper plugin for fast, safe inventory packing: compress nuggets, ingots, redstone, and other configured materials with /pack, Smart Packer item support, exclusions, chest packing, and auto-pack options.

More Redstone
More fully vanilla style redstone blocks that Mojang should add in Minecraft!
HTTP Block
HTTP Block adds two redstone-powered blocks that connect Minecraft to HTTP services. Send HTTP POST requests from redstone circuits and receive HTTP events as redstone pulses.
Copper Buttons - New Redstone Buttons
⚡ Craft new copper buttons with adjustable times! The perfect redstone signal extender. ⏱️
Advanced Jukebox
Добавляет в игру редстоун проигрыватели с большим радиусом /Adds a large-range redstone jukeboxes to the game
Extended Redstone
A mod that adds more redstone blocks with unique functionality
Regius Redstone
This mod adds redstone components that aim to make computational redstone easier.
Beyond The Simulation
Grow a Lab Grown Brain that Connects Redstone Beyond the Distances, Dimensions, Worlds, Servers and Realities? (yes, connect redstone to real life)

Wirelessblock
Adds WirelessRedstone to your World, link your Controller to your Redstone and Controll it Wireless.
Bitwise
Expands computational redstone with new logical components
RedstoneSpawnersReloaded
RedstoneSpawnersReloaded is a very simple plugin which makes Mob Spawners toggleable via a redstone signal.