1.21.9 Minecraft Mods
Browse 1,910 1.21.9 Minecraft Mods. Each project has a description we wrote and checked against the source, plus loader and version compatibility.
1,910 projects

FerriteCore
by malte0811
We have not written this one up yet.

ImmediatelyFast
by RaphiMC
A RaphiMC client side mod for Fabric, Quilt, Forge, and Neoforge that batches immediate mode rendering to boost FPS on CPU limited PCs with heavy entity, map, HUD, or text loads.

Fabric Language Kotlin
by modmuss50
A Fabric loader library that lets mods be written in Kotlin: it supplies a Kotlin entrypoint adapter and bundles the Kotlin standard library plus common kotlinx modules for dependent mods.

[ETF] Entity Texture Features
by Traben
Entity Texture Features brings OptiFine-style random and emissive entity textures to Fabric, Quilt, Forge, and NeoForge. It supports custom skins and works with Sodium and Iris.

[EMF] Entity Model Features
by Traben
A client-side Fabric, Forge, NeoForge and Quilt mod that runs OptiFine's Custom Entity Model resource packs without OptiFine, built to pair with Sodium and ETF.

Simple Voice Chat
by henkelmax
Proximity voice chat mod with push-to-talk, whispering, group channels, and cross-loader support from 1.8.8 to 1.21.8. Requires server port 24454 UDP.

Zoomify (Zoom)
by isxander
Zoomify is a Fabric client mod by isxander that provides highly configurable zoom controls, 14 easing transitions, scroll zooming, spyglass integration, and mouse sensitivity scaling.

Text Placeholder API
by Patbox
Text Placeholder API lets Fabric mods share dynamic text data. It uses a simple %modid:type% format and includes a tool to style text without JSON. It runs on client and server.

Kotlin for Forge
by thedarkcolour
Kotlin for Forge adds Kotlin language support to Forge and NeoForge mods by bundling Kotlin libraries and providing tools for mod developers who prefer Kotlin over Java.

Chat Heads
by dzwdz
Client-side mod that shows player heads next to chat messages on Fabric, Neoforge, and Forge for Minecraft 1.20 through 1.21.1.

oωo (owo-lib)
by glisco
We have not written this one up yet.

Krypton
by astei
We have not written this one up yet.

Language Reload
by Jerozgen
Language Reload speeds up language switching, adds a search box and multi-language fallbacks, and lets you search items in any selected language.

Fzzy Config
by fzzyhmstrs
Fzzy Config is a configuration library by fzzyhmstrs that serializes to TOML, builds accessible in-game menus automatically, and syncs settings between clients and servers.

Distant Horizons
by jeseibel
We have not written this one up yet.

Curios API
by TheIllusiveC4
Curios API is an inventory framework for Neoforge that lets mods add customizable accessory slots on demand without cluttering your interface with unused spaces.

Visuality
by PinkGoosik
Visuality is a Fabric cosmetic mod by PinkGoosik that adds client-side visual particles like crystal sparkles and slime blobs across specific Minecraft versions.

Packet Fixer
by TonimatasDEV
Packet Fixer by TonimatasDEV increases network packet limits to stop disconnects, NBT memory errors, and payload size crashes in heavy Minecraft modpacks.

More Chat History
by JackFred
More Chat History by JackFred expands the client chat log capacity from the standard 100 entries up to 16384 entries on Fabric and Quilt setups.

Euphoria Patches
by SpacEagle17
Euphoria Patches is a client mod by SpacEagle17 that patches Complementary Shaders to add optional custom features, automated pack patching, and quick preset profiles on Fabric, Quilt, Forge, and Neoforge.

Falling Leaves
by Fourmisain
Falling Leaves is a client-side Fabric mod that adds configurable leaf drop particles to trees with support for custom textures and extra block states.

OptiGUI
by opekope2
OptiGUI is a client-side Fabric and Quilt mod by opekope2 that enables custom menu and container textures in Minecraft through OptiFine and OptiGUI resource packs.

e4mc
by vgskye
We have not written this one up yet.

Capes
by caelthecolher
We have not written this one up yet.