Neoforge Mods for Minecraft 1.21
Browse 73 free Neoforge mods for Minecraft 1.21 — popular picks include Sirencraft, Better craftable trident, Nuclear Craft UPdated.
Updated daily
Sirencraft
Semi-realistic air raid sirens for disaster/emergency calls
Better craftable trident
A simple mod that adds a realistic crafting recipe for the trident.
Nuclear Craft UPdated
A modern port of NuclearCraft for 1.21 featuring advanced nuclear reactors, realistic fuel processing, and complex radiation mechanics for high-tech gameplay.
NeoGuanNiao
Neo Guan Niao adds a living bird ecosystem to Minecraft, featuring realistic behaviors, individual bird traits, breeding, nests, bird guides, and immersive wildlife interactions.
Immersion in Traffic Context 2
Adds customizable barriers & asphalt roads (+30% speed!). Design unique streets, works with/without Ultimate Car Mod. Survival recipes included. Build realistic traffic systems!
DIY hobbyists (carpentry)
A carpentery mod that enhances the player's building skills, for realistic gameplay!
Researchd
Factorio research in Minecraft
Infrastructure Plus
Infrastructure Plus is a mod focused on realistic infrastructure and urban development in Minecraft. It continuously expands the game with new building assets for detailed and authentic environments. (Best use as MTR Addon)
Create - Tamed Frontiers
Build a thriving railway empire across vast realistic landscapes. Found colonies, automate industries, connect distant settlements by train, and turn the wilderness into a living economy.
Create - New Age Survival
Create Realistic Survival, with magic, machines and beautiful world!
Aeronautics: Skyward
Build, fly, dive, and explore — airships, submarines, and rockets, all with realistic physics.
Nuclear Age
A Mod that aims to add realistic nuclear reactors with functioning radiation and a requirement to get rid of waste.
FWG: Megapack
This comprehensive modpack centers heavily around the Create mod and its vast ecosystem—including realistic physics and aeronautics—to offer a deeply immersive industrial and engineering experience.
GalaxyByne's Economy
Run your own realistic bank with this server economy datapack!
Better Explosions Enhanced
A very simple modpack that make explosions look and act cooler ! Realistic explosions for Minecraft !
msp
Realistic orbital physics, rocket engineering, and space program progression for Minecraft. Build Create contraptions, launch them with real gravity/drag/re-entry, do science, unlock tech via FTB Quests.
Sable Gravity
Adds realistic gravity between Sable Aeronautics ships.(made with ai)
Create: Skyward Engineering
A dieselpunk modpack featuring Create Aeronautics and Big Cannons, realistic flight physics, immersive animations, and majestic Terralith world generation.
Better Radioactive
Adds Uranium ore, blocks, and radioactive potion effects. A vanilla-plus tech mod for NeoForge 1.21.8 aiming for realistic nuclear energy.
Realistic Aeronautics
A realistic modpack featuring a wide variety of realism-focused mods, including Create Aeronautics.
Realistic Generators
Most power mods hand you a block that makes energy. Realistic Generators hands you a process — fuel → heat → steam → rotation → electricity. Build it well and it hums. Build it wrong and it tells you why.
IFC Reloaded
Transform your Minecraft maps into stunning HD artwork with full RGB color support, and easily upload your own images directly from the game using the /ifc command.
Crusted Gears
This modpack transforms your Minecraft survival into a massive industrial and exploration journey. It forces you to rethink automation from basic gears to quantum lasers while exploring colossally overhauled dungeons and realistic mountain ranges
Surviving The Spiral
The official modpack for the Surviving The Spiral storm-chasing series, featuring realistic weather, survival gameplay, and vanilla-enhancing mods.
Create: Realism-ish
Make Create a little more... realistic!
Assembly Lines Mod (1.21.1, 1.20.1) – Realistic Item Transfer And Storage
Assembly Lines Mod focuses on building automated, factory‑like environments in Minecraft. It recreates the feel of the old Voltz mod, offering tools and systems that improve production efficiency and realism. Features: Adds machines that facilitate item transfer and storage. Based on the old Voltz mod, bringing back its industrial style. Designed to increase realism and […]
Create Train Utilities Mod (1.21.1, 1.20.1) – Build Modern Train Stations
Create Train Utilities Mod adds new building pieces for anyone who loves making trains with the Create mod. You can build with custom sliding doors that have realistic opening and closing sounds. The mod also gives you special platform blocks to make your train stations look perfect. These new doors can even close automatically, and […]
Blocks You Need Mod (1.21.4, 1.20.1) – Industrial, Steampunk, Laboratory
Blocks You Need Mod will add many decorative blocks to Minecraft for designing your industrial buildings, laboratories, and steampunk-style rooms. Currently, the mod has more than 100 different blocks, and the author regularly adds new blocks and provides support for other mods, allowing the use of realistic resources for their creation. Features: The mod includes […]
Medieval Siege Machines Mod (1.21.1, 1.20.1) – War Machines
Medieval Siege Machines Mod adds several medieval themed war machines that you can use in your game. The mod also adds several items, like wheels, that are used while crafting these machines. And they come with realistic sounds and animations too. The machines are enormous and will take up a lot of space in your […]
AE2 Things Mod (1.21.1, 1.20.1) – Neat Little Additions
AE2 Things Mod adds two machines from AE2Stuff the Advanced Inscriber and Crystal Growth Chamber, and a new type of cell the DISK: Deep Item Storage disK. Features: DISK – Deep Item Storage disK Storage cells that can store 1k, 4k, 16k and 64k items without any type limit. This cell has no type limits […]
Electrodynamics Mod (1.21.1, 1.20.1) – Realistic, World-Based Science & Technology
Electrodynamics Mod is a mod that brings realistic, world-based science and technology into Minecraft, along with some other additions. Electrodynamics intends to be realistic but still an enjoyable mod. The mod serves as the core component of several other mods aiming to recreate the old Voltz-modpack, such as Nuclear Science, MFFS, ICBM, and others. Features: […]
Artrapel's Aeronautics Modpack
This modpack combines heavy physics, aerial warfare, and realistic environmental destruction to completely overhaul your Minecraft survival world.
Immersive Aircraft: Realistic Landing
A complete landing overhaul for Immersive Aircraft with adaptive approach, flare, touchdown, rollout and taxi physics.
Immersive Aircraft: Realistic Takeoff
A complete takeoff overhaul for Immersive Aircraft with longer runway rolls, progressive rotation, smoother liftoff, and adaptive initial-climb physics.
Ched's Realism Building
A creative building mod designed to enhance realistic city building and architecture in minecraft
RLL (Realistic Lighting)
A Real life based Lighting, that includes Florescent,, LED, Halogen And CFL!