Minecraft Java 1.21 Mods
Browse 69 free mods for Minecraft Java 1.21 — popular picks include Fortune Craft Modpack, Simple Auth Reimagined, SpudCraft.
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Fortune Craft Modpack
The Official Modpack for the FortuneCraft Modded Server. Explore Minecraft in a new light with a heavy focus on Create, with the addition of new Biomes, Blocks, Mobs and Bosses!
Simple Auth Reimagined
A lightweight, optimized, and modern authentication plugin for Paper servers. UltraLogin provides a clean login/register system with session support, bossbars, actionbars, configurable titles, password confirmation, and optimized authentication handling.
SpudCraft
A create based mod pack that is focused on progression via relics, structures, bosses, armor & tools and more! a curse forge port is planned.
Bosstimized
A performance-focused modpack designed for low-end and mid-range PCs, improving FPS, reducing lag, and enhancing overall gameplay stability.
SmartRestart
Schedule server restarts and stops with a single command — every player sees a live countdown BossBar in exact minutes and seconds with dynamic color warnings and sounds.
Godmode- wither rework
This mod entirely reworks the wither boss in minecraft, with custom loot, moveset, etc
Mid Optimized Plus+
it's Mid Optimized but with extra mods adding new bosses , mobs , biomes and more..
Holiday blocks
An immersive RPG exploration modpack featuring enhanced visuals, atmospheric sound, challenging bosses, and dynamic world generation, all optimized for smooth performance and engaging long-term gameplay.
Chill&Stay
This is a modpack for my private smp, includes new building blocks, new foods, mobs some new bosses and enemys, a lot of QoL features, and the necessery optimanizations
Pepegwoh 2 Now In Colors
Jump into a world filled with things to explore and magic to uncover. Can you defeat the bosses?
Cobblemon YZ
Cobblemon pack filled with QoL/Performance mods. The included server has ALL pokemon, PvE trainers, bosses/raids, quests, hunts, breeding, outbreaks and more!
Slot Highlight for CI Embossed Legacy
A custom slot highlight designed for CI Embossed Legacy. / Un resaltado de slots personalizado diseñado para CI Embossed Legacy.
ProjectOverhaul
Overhauls Minecraft in different ways like adding new bosses, weapons, QOL Features, Structures, etc.
Arbiter
Server-side ground item cleaner for Fabric with bossbar countdown, TPS-aware emergency clearing, and per-dimension protection rules.
UniversalX CB
A power focused modpack packed with QOL features, bosses, and armor and weapons to battle them. While also maintaining 100+ FPS (new version coming soon)
Custom Boss Zoryth AI
Zoryth AI Boss is a premium, high-performance custom boss framework for Paper (1.21.x).
The game Built For YOU
This modpack is somewhat "lightweight" this adds a few new mobs bosses and features have fun!
Accurate Craft
A performance-focused Minecraft modpack featuring enhanced visuals, quality-of-life improvements, new structures, epic boss fights, and expanded building possibilities.
Antique Odyssey
A progression-focused adventure modpack where ancient magic, powerful relics and mechanical engineering shape your journey. Explore a world filled with dangerous bosses, forgotten ruins, powerful spells and intricate machinery.
SeasonManager
A powerful, Folia-native server lifecycle engine that automates seasons, phases, and grace periods for modern Minecraft networks. Providing autonomous scheduling with high-performance execution and premium visual feedback via BossBars and Titles.
Flame Announcer
A powerful and highly customizable announcement plugin featuring scheduled Chat, BossBar, and Interactive clickable messages with full in-game management.
DynamicWarden
An automated, high-performance Void Warden Boss Event with dynamic JSON bossbars and premium rewards
RX-KeyAll
A lightweight, highly optimized KeyAll plugin with dynamic BossBar countdowns and RGB support.
TidyDrops
Periodically clears dropped items per-dimension with a bossbar warning and a Lost & Found GUI to recover them. Available in English and Polish.
King of the Nether Resource Pack (1.21.8) – Dark Wither Army for the Underworld
King of the Nether Resource Pack transforms the look of monsters in the fiery dimension. It changes these creatures so they match the style of the Wither boss. This pack gives the underworld a darker and scarier vibe by making the mobs look like they belong to a single dark army. You will need OptiFine […]
Neo The Titans Mod (1.21.4) – Discovering The Titan Gods of Minecraft
Neo The Titans Mod is a Minecraft mod that introduces powerful, genetically enhanced Titan bosses. It recreates the classic Titans concept while improving balance, performance, and compatibility with newer game mechanics. Features: Large Titan boss creatures with unique abilities and attacks. New equipment, tools, and ores related to Titan progression. Improved boss animations and smoother […]
TabTPS Mod (1.21.11, 1.20.1) – Server Performance Simplified
TabTPS Mod show TPS, MSPT, and other information in the tab menu, boss bar, and action bar. Features: Real-time TPS and MSPT updates. Customizable display in the tab menu, boss bar, or action bar. No need for complex server commands or external tools. Ensures a smoother and lag-free gaming experience. Screenshots: TabTPS Mod Download Links […]
Project: Goliath
Many bosses and adventures with magic, iron's spells, create, create: aeronautics and L_Enders_Cataclysm. This modpack was made for a server I'm starting by the same name.
Aoura MC
Adds vanilla improvements bosses' new biomes terrain etc.
Cobblemon - Poke Legends Modpack
Pokemon Cobblemon Pack - QoL and Performance mods! The server included in the pack has Raids, Gyms, Mega Evolution, Tera, Alpha Bosses, Paradox, Legendary Pokemon, GTS and more!
Evergrow
A brutal high-end adventure modpack packed with tons of new mobs, bosses, weapons and dimensions – heavily optimized and balanced for powerful PCs.
ImmersiveRPG&MineColonies
An immersive, challenging RPG survival with classes, bosses and MineColonies – optimized for long‑term worlds and high render distances.
KEO RPG Optimized Modpack (1.21.1) – Defeat Bosses To Unlock Progression
KEO RPG Optimized Modpack turns your world into a massive role-playing adventure with about 300 mods that run smoothly on your computer. You get to choose your own path with fun character classes, magic spells, and a huge skill tree to unlock. The game makes every part of Minecraft better, from farming and fishing to […]