Minecraft Java 1.21 Mods
Browse 117,815 free mods for Minecraft Java 1.21 — popular picks include Fourpack, JobsSK, JoinFailNotifier.
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Fourpack
Nameable weapon skins
JobsSK
Skript add-on to use Jobs Reborn features in Skript for Minecraft servers.

JoinFailNotifier
A plugin that notifies the OP when a player is unable to join the server. プレイヤーがサーバーに参加できなかった際にOPに通知するプラグイン
zChatSpyPlus
ᴀ ᴘᴏᴡᴇʀғᴜʟ ᴄʜᴀᴛ ᴍᴏɴɪᴛᴏʀɪɴɢ ᴘʟᴜɢɪɴ ғᴏʀ ᴍɪɴᴇᴄʀᴀғᴛ sᴇʀᴠᴇʀs
cobblestone to prismarine shards in cauldron
vanillatweaks cauldron mud datapack modifed to convert cobblestone into prismarine shards.
sDailyRewards - Keep Your Players Coming Back!
sDailyRewards - Engaging Daily, Streak & Monthly Rewards GUI!
xFriendlyCreepers - No Creeper Damage
Making Minecraft safer, one creeper at a time!
xThrowTNT - Throw TNT like grenades
Turn TNT into throwable grenades with a single right-click!

HollowScanner
HollowScanner is a Minecraft 1.21.4 Bukkit plugin that adds a handheld scanner item to help players detect nearby caves and dungeons underground by providing vibration feedback via sounds and particles.
Super Simple AFK
A simple datapack to manage AFK players

Gr33n's Economy 2
A Remake of Gr33n's Economy(AKA Gr33n's Coin collection)

Tse's Fishes'n Stuff
Grab your rod and experience the reborn fish!
Custom old world in new
A resourcepack with only a data folder.
Текстур пак на осиные гнезда - Texture pack for wasp nests
Replaces the textures of bees and bee things with wasps and wasp things Заменяем всё пчелиное на осиное
Auto Restart | Skript
A simple Auto Restart Skript with custom font for some style!
AVO First Joined UI
Support protectionstone
BlockHoverInfo
Display detailed block and entity information when hovering
Vulcan Ban Logger - Store Punishments in JSON
Automatically log Vulcan punishment data with timestamps in a JSON file!
the forsaken feast
Food is no longer safe—every meal comes with unpredictable effects, ranging from powerful buffs to disastrous consequences. But that’s not all—you can now eat almost anything, though whether it helps or harms you is another question entirely.
Renewable Pottery Sherds
Makes a Smithing Recipe for Pottery Sherds

Rat Boots
Adds rat boots (what a surprise) that give certain perks when worn
Clock 'n Compasses
A datapack that makes clocks 'n compasses actually useful
RecipesAPI
Effortlessly create and manage custom recipes for Spigot servers with an intuitive API.

ManaFont
ManaFont is simple mana system inspired by Hypixel Skyblock.
Expressions-Expansion
Add MiniPlaceholders placeholders for complex mathematical and text expressions

"Harder" Flower Pots
Flower Pot is now... harder to craft..?

Totem Borders
Adds a simple yellow border to the totem in the inventory so you don't miss it while playing PVP or Survival!

Potion Imbuement
Similar to tipped arrows, you can now imbue effects onto melee weapons using lingering potions, which will apply the effect to the targeted entity.

teleportmodd
Instant hotkey teleportation with an epic radial warp menu! Double-tap to /home, /rtp, /spawn. Added intelligent TPA-engine with auto TAB-list scanner and active macro safety lock. Fabric 1.21.X.

eXclusive Optimized
Ultimate Minecraft performance pack! Boost your FPS, eliminate lag, and enjoy ultra-smooth gameplay. Featuring top-tier, perfectly tuned Fabric mods for maximum speed & built-in shader support. Vanilla feel, max speed!

Lightman's Currency:Claim Economy
Land isn't free — and on your server, it shouldn't be either.

ForceBlend (PoC)
Proof of concept mod that prepares existing Overworld chunks for Minecraft's native terrain blending after seed, generator, or chunk-layout changes.

Frost And Fungus
A post-apocalyptic survival tech modpack built around Create, Cold Sweat, and Serene Seasons set on a frozen, infected world.

ItemHandEditor
A Gui and drag system to move, enlarge, shrink items in your main and offhand

F8thful Emissive Ores - PBR Textures
A complementary resource pack designed to add emissive textures to minerals in ewanhowell5195's original pack

Diego's 3d Experience bar
this turns your experience bar into a bunch of 3d experience orbs instead