A list of performance-enhancing mods for 1.8.9.
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| Name | Known Incompatibilities | Description | Author | Performance Improvement | Label | License |
|---|---|---|---|---|---|---|
BetterFPS   |
None | BetterFps is a Minecraft mod that add a few performance improvements, trying to be compatible with other mods. | Guichaguri | Both | Replaced | LGPL-2.1 |
| Chunk-Pregenerator |
Unknown | Chunk Pregenerator is a tool that allows you to generate your World more efficiently, by Preemptively generating the chunks. It is a Server-side tool that has some optional client features if wanted. | Speiger | Both | Configuration Needed (7) | All Rights Reserved |
Entity Culling  |
Unknown | EntityCulling using async path-tracing to skip rendering Tiles/Entities that are not visible. | tr7zw | Client | None | Custom |
| FoamFix |
None | FoamFix is a mod designed to optimize post-1.7.10 modded Minecraft using simple, targeted optimizations. | asiekierka | Both | Replaced | GPL 3 |
| PolyPatcher |
None | A Forge mod full of Vanilla bug fixes, Quality of Life improvements, and performance enhancements. | Polyfrost | Client | None | CC BY-NC-SA 4.0 |
| Phosphor Legacy Forge |
Unknown | Unofficial fork of Phosphor mod ported to 1.8.9 Forge. | Grayray75 | Both | None | GPL-3.0 |
| Nothririum 1.8.9 Port |
Unknown | Improve chunk rendering performance | my-life-is-bad (original by Meldexun) | Client | Buggy (4) | All Rights Reserved |
| Tick Dynamic |
Unknown | Attempts to keep the server at 20tps by dynamically limiting the amount of entities and tile-entities that update per tick | The_Fireplace / wildex999 | Server | None | MIT |
| Velox Caelo |
Unknown | OptiFine CIT performance optimizer for 1.8.9 | nea89o | Client | None | All Rights Reserved |
| Name | Known Incompatibilities | Description | Author | Performance Improvement | Label | License |
|---|---|---|---|---|---|---|
| Alternate Current |
Unknown | Alternate Current is an efficient and non-locational redstone dust implementation. | Space Walker | Server | None | MIT |
| LegacyEnhance |
Unknown | A Minecraft mod for LegacyFabric 1.8.9 that enhances performance and fixes bugs. | Hankung7183 | Client | None | CC BY-NC-SA 4.0 |
| Legacy VanillaFix |
Unknown | Legacy VanillaFix is a mod that fixes bugs and annoyances in vanilla Minecraft. | piper742 | Both | None | MIT |
| LightEngine |
Unknown | Optimizes the lighting engine while retaining Vanilla functionality | piper742 | Both | Alpha (?) | CC0 |
| Mipmaplevel and Language Fix |
Unknown | Makes changing Mipmaplevels and Language faster, by instead of doing a full reload, only reloading the respective part of the game. | KingContaria | Client | None | CC0 |
| Radium |
OptiFine | A Minecraft mod designed to improve frame rates and reduce micro-stutter | Lunasa (original by Jellysquid) | Client | None | LGPL-3.0 |
| Celeritas |
Radium | An efficient FOSS client performance mod for Minecraft | embeddedt (original by Jellysquid) | Client | None | LGPL-3.0 |
| Phosphor Legacy |
Unknown | Port of Phosphor to Legacy Fabric 1.12.2 & 1.8.9 | Grayray75 | Both | Alpha (1) | LGPL-3.0 |
| Rhodium |
Unknown | Incrementally increases the render distance, above a certain TPS | Eliotex | Server | None | CC0 |
| SaltLib |
Unknown | SaltLib aims to be an alternative of the Sodium mod for Minecraft, but for legacy versions (1.3.2-1.13.2) of the game. | DeexCoding | Client | None | Custom |
| Zirconium |
Unknown | Optimizes the chunk saving system, putting an end to those annoying lag spikes! | Eliotex | Server | Corruption (1) | CC0 |
| Name | Known Incompatibilities | Description | Author | Performance Improvement | Label | License |
|---|---|---|---|---|---|---|
| Alternate Current |
Unknown | Alternate Current is an efficient and non-locational redstone dust implementation. | Space Walker | Server | None | MIT |
| Celeritas |
Unknown | An efficient FOSS client performance mod for Minecraft | embeddedt (original by Jellysquid) | Client | None | LGPL-3.0 |
| Ksyxis |
Unknown | Speed up your world loading by removing spawn chunks. | VidTu | Server | None | MIT |
| Legacy LWJGL3 |
Unknown | An Ornithe mod to make versions lower than 1.13 use LWJGL 3 instead of LWJGL 2 and fix/work around Wayland bugs | moehreag | Client | None | LGPL-2.1 |
| Ornithe Entity Culling |
Unknown | A port of Patcher's entity culling and batch rendering to Ornithe | Mixces | Client | None | CC BY-NC-SA 4.0 |
| SoundFix |
Unknown | A backport of modern sound features to 1.8.9 | moehreag | Client | None | LGPL-3.0 |
| Zirconium-Ornithe |
Unknown | A port of Eliotex's Zirconium mod, along with additional optimizations | thatonecoder, Eliotex, Mixces | Both | None | LGPL-3.0 |