Mods for 1.21.3

Instant Restock or Insta Restock makes villagers infinite restock

Increases the recipe output of Rails.

Mine spawners with a pickaxe (spawn eggs drop too!) Configurable

Shields for every kind of wood

Override the time and weather on the client

Improvements and customization for Minecraft's Titles

Lightweight inventory sorting mod.

🔔 Makes the village bell item craftable via a recipe.

Block/Remove particles of your choice with an intuitive GUI and enjoy a less cluttered experience.

This data pack will continuously generate lucky blocks at the coordinates (0, 0, 0).

This mod makes it so the set time command doesn't reset day count

This datapack/mod makes so the smash attack of the mace feels like a real smash attack.

TweakerMore unofficial (Neo)Forge port.

Collection of datapacks that create Superflat Overworld, Nether, and End Dimensions, with all Structures and Biomes.

Block'oMorph - is a mod for minecraft that allows you morph into blocks like in the mini game block hunt, with it you can turn into blocks of varying complexity, from the simplest stone to a sign with text or a portal to the end.

A Fabric mod that allows dragging sliders further without screen width limit when used with Slyde mod

Nine hotbar slots aren't enough for you? Now you can cycle your whole inventory!

Backup for Fabric

🥛 Adds nutritious value to milk, filling up the food bar and saturation when consumed.

Imbue a lantern with different catalysts to manipulate its effects!

🚪 Automatically opens doors around the player and closes them with a configurable delay.

Makes world borders work per dimension

💾 Creates back-ups of player inventories before death, which can be loaded via commands.

A client-side mod that lets you quickly equip a Totem of Undying to your offhand by Shift+clicking it in your inventory.