A.FPS

A high-performance rendering engine replacement for Minecraft, which greatly improves frame rates and reduces micro-stutter.

A modern shader pack loader for Minecraft intended to be compatible with existing OptiFine shader packs

Using async path-tracing to hide Block-/Entities that are not visible

Memory usage optimizations

No-compromises game logic optimization mod, useful for both single-player games and multi-player servers.

Speed up immediate mode rendering in Minecraft

A Sodium addon that adds features that shouldn't be in Sodium.

All-in-one mod that improves performance, reduces memory usage, and fixes many bugs. Compatible with all your favorite performance mods!

A mod that changes how multiple types of culling are handled in order to improve performance

Reduce resource usage while Minecraft is in the background, idle, or on battery.

Sodium addon providing support for the Fabric Rendering API, based on Indigo

Clumps XP orbs together to reduce lag

A mod that fixes random memory leaks for both the client and server

Unofficial Fork of "Iris", made to work with FML

A powerful, mod-friendly, FOSS client performance mod for NeoForge

Fixes gaps in Block Models and Item Models

Reduce block entity FPS lag with almost no compromises, and improve their visuals

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

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

Shows a GUI after Minecraft crashes, immediately showing and analyzing all affected logs.

Particle optimizations: Culling, rendering optimizations, configurable particle-type-specific spawn reduction, and potion particle disabling. Compatible with Sodium, improves performance over Sodium alone.

Rewrites the light engine to fix lighting performance and lighting errors

A Mod that prevents ticking-related crashes from bricking worlds

Speed up your world loading by removing unneeded chunks.

Reduce GPU and CPU usage automatically when no user operation exists.

Unofficial Fork of CaffeineMC's "Sodium", made to work with FML

Adds tags and configuration options for defining how dropped items should combine.

Improve server performance, reduce server lag, clears dropped items every 10 minutes