OmegaLite
ModpackOmegaLite is a modpack focused on optimization, with a few mods and a 100% Vanilla experience.
Description
OmegaLite is a lightweight optimization-focused modpack for Fabric 1.21.11, designed to deliver maximum performance with a minimal mod count, while preserving a true vanilla gameplay experience.
Unlike other optimization modpacks, OmegaLite focuses strictly on what actually matters: rendering, CPU efficiency, and client-side performance. It avoids unnecessary tweaks, visual clutter, or feature bloat that can negatively impact performance. Most included mods are client-side only and carefully selected to ensure they work together instead of counteracting each other.
OmegaLite was created on December 30, 2025, after its creator found that popular modpacks like Fabulously Optimized and Simply Optimized improved performance, but often at the cost of complexity and excessive mod counts. OmegaLite was born from the idea that less can do more.
The performance gains are measurable.
In a controlled test using identical settings and the same world:
Minecraft Vanilla: 221 FPS
OmegaLite: 335 FPS
That is a +114 FPS increase, clearly demonstrating OmegaLite’s superior performance over vanilla Minecraft.
OmegaLite is ideal for: Low-end and mid-range PCs iGPU-based systems Players who want pure performance without sacrificing the vanilla feel
No unnecessary features. No gimmicks. Just optimized Minecraft.
Compatibility
Mod Loaders
Game Versions
Recommended Gear
AffiliateHardware and extras that pair well with this modpack.
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Screenshots
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Contained Mods (18)
Cloth Config API (Fabric/Forge/NeoForge)
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Core API library for the Fabric toolchain
Entity Culling Fabric/Forge
Using async path-tracing to hide BlockEntities/Entities that are not visible
Sodium
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ImmediatelyFast
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YetAnotherConfigLib
A builder-based configuration library for Minecraft.
spark
spark is a performance profiler for Minecraft clients, servers and proxies.
Mod Menu
Adds a mod menu to view the list of mods you have installed.
Lithium (Fabric/NeoForge)
An optimization mod for Minecraft which improves server performance significantly.
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Memory usage optimizations
BadOptimizations
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LambDynamicLights
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MoreCulling
A mod that changes how multiple types of culling are handled in order to improve performance
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Placeholder and Text manipulation library for your Minecraft mods.
Concurrent Chunk Management Engine (Fabric)
A Fabric mod designed to improve the chunk performance of Minecraft.
ScalableLux
A Fabric mod based on Starlight that improves the performance of light updates in Minecraft.
Am I Up To Date?
Provides notifications for mod pack updates on the main menu and in chat. Supports FancyMenu!
FASTJSON2 Serializer for YACL
A config serializer for YetAnotherConfigLib using FASTJSON2