Little visual improvements by adding a bunch of new particles.

Shows information about what you are looking at. (Hwyla/Waila fork for Minecraft 1.16+)

A mod implementing the OptiFine/MCPatcher animated texture format

An open source library for other mods!

Adds a list of mixins in the stack trace to crash reports

Blazing fast custom GUI textures on Fabric and Quilt with built-in OptiFine custom GUI resource pack support

Modifies how worlds are loaded to speed up loading times.

Inventory Profiles Next GUI/Config library

Increases the maximum length of chat history.

The cape shouldn't be a static slab

A general utility, GUI and config library for modding on Fabric and Quilt

Real-time mapping in game or in a web browser as you explore.

Adds resourcepack features and a GUI to more conveniently configure OptiFine alternatives.

Common library with a built-in configuration system

Accessible, Data-Driven, Dependency-Free Documentation for Minecraft Modders and Pack Makers

Lets you return to the Title Screen early while your world is still saving in the background!

A Minecraft mod that improves the statistics screen and makes it more useful.

Welcome to a more destructive Minecraft than you've ever seen before!

animate the player

A data-driven accessory mod