Optimises worldgen performance for a better gameplay experience.

See farther without turning your game into a slide show

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

Rewrites the light engine to fix lighting performance and lighting errors

Placeholder and Text manipulation library for your Minecraft mods.

Makes the game boot faster by deferring non-essential initialization

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

Common library providing a lightweight configuration system

A complete redesign of Minecraft's Nether fortresses!

A complete redesign of Minecraft's dungeons!

A complete redesign of Minecraft's ocean monuments!

A long-awaited and much-needed abandoned mineshaft overhaul!

Open a LAN server to anyone, anywhere, anytime.

Improves performance by tweaking mob despawn rules. Say bye to pesky unintentional persistent mobs.

An overhaul of the main End Island where the dragon fight takes place!

A complete redesign of Minecraft's jungle temples!

Ensures correct destinations when travelling back and forth through Nether Portals in Multiplayer.

Adds overhauled witch huts to swamps!

A complete redesign of Minecraft's strongholds!

spark is a performance profiler for Minecraft clients, servers and proxies.