1.21.1 Minecraft Mods

Fabric API is modmuss50's modular library mod that gives Fabric mods shared hooks for particles, biomes, dimensions, events, registry sync, crash report data, and rendering. It needs Fabric Loader.

Sodium replaces Minecraft rendering on Fabric and NeoForge, aiming to cut micro-stutter and lift frame rates, client-only, with strict OpenGL 4.5 driver and hardware requirements.

A Fabric and Neoforge shader loader for Minecraft that runs existing OptiFine shader packs and aims to work well alongside performance mods like Sodium.

Lithium is a performance optimization mod for Minecraft that improves game logic without changing vanilla mechanics, supporting Fabric, Neoforge, and Quilt loaders.

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.

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.

Architectury API is an open source library by shedaniel for Fabric and Neoforge. It provides cross-loader abstractions and event hooks to cut boilerplate in multiplatform Minecraft mods.

Sodium Extra is a client-side Sodium addon by FlashyReese for Fabric and Neoforge, adding OptiFine-like visual settings, animations, particles, and gameplay fog controls.

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.

AppleSkin adds hunger and saturation HUD overlays plus food value tooltips in Minecraft, showing numbers the base game normally keeps hidden from players.

Not Enough Animations adds third-person player animations for eating, climbing, map holding, and boat rowing. It works entirely on the client and connects fine to vanilla servers.

VeinMiner breaks entire ore veins or block groups from a single block. Server-side mod and plugin with deep configuration, plus optional client addons for hotkey control and enchantment gating.

Reese's Sodium Options replaces Sodium's settings screen with a compact, searchable layout that adds collapsible groups, per-option undo, and optional controller support.

We have not written this one up yet.

Just Enough Items is an item and recipe viewing mod by mezz for Forge, Fabric, and NeoForge. It lets you search items, inspect recipes, and manage item lists.

Geckolib is a developer library that plays keyframe-based 3D animations on Minecraft entities, blocks, items, and armor. It runs on NeoForge, Forge, and Fabric.

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.

Jade is an information HUD mod by Snownee that displays details about what you are looking at. Forked from Hwyla, it supports Neoforge, Fabric, and Quilt.

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.

More Culling, by FX, is a client-only mod for Fabric, Quilt and NeoForge that refines multiple culling methods to stop rendering unseen blocks, boosting performance on supported 1.21-era versions.

FancyMenu is a client-side interface mod by Keksuccino for Fabric and Neoforge. It lets you rebuild Minecraft menus with an in-game editor, animated images, and dynamic variables.

Collective is a shared library mod by Serilum that provides common code, config management, translation handling, and entity events for dependent mods.

Puzzles Lib is a library mod by Fuzs supporting Fabric and NeoForge on Minecraft 1.21.1 and 26.x versions, providing shared code for other mods.

Client addon that restricts Veinminer to a hotkey, adds crosshair preview, and lets you switch patterns on the fly.