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!

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

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

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

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

Clumps XP orbs together to reduce lag

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.

Rewrites the light engine to fix lighting performance and lighting errors

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

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

Reduces your waiting time by loading modpacks significantly faster (currently 48% - 71%)

Optimizes a lot of tasks that Entity AI wastefully performs, minimal effect on gameplay.

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