- AAA Particles 2.2.3 – ChloePrime
- AmbientSounds 6.3.8 – CreativeMD
- Apotheosis 8.7.0 – Shadows_of_Fire
- Apothic Category Compat 2.1.0 – Nightwielder23
- Apothic Attributes 2.10.1 – Shadows_of_Fire
- Apothic Enchanting 1.6.1 – Shadows_of_Fire
- Apothic Spawners 1.4.0 – Shadows_of_Fire
- AppleSkin – squeek
- Architectury 13.0.11 – shedaniel
- Artifacts 13.2.3 – ochotonida
- BadOptimizations 2.4.1 – Thosea
- Balm 21.0.65 – BlayTheNinth
- Better Advanced Tooltips 2101.1.0-build.5 – latvian.dev
- Better Advancements 0.4.3.21 – way2muchnoise
- Bookshelf 21.1.81 – Darkhax
- Born in Chaos 1.7.6 – Mongoose_artist, MCreator
- Certain Questing Additions 1.2.0.4 – HollowHorizon
- ClientSort 2.2.2+1.21.1 – NotRyken
- Cloth Config v15 API 15.0.140
- Clumps 19.0.0.1 – Jared
- Collective 8.39 – Rick South
- Controlling 19.0.5 – Jaredlll08
- Corpse 1.21.1-1.1.13 – Max Henkel
- Crash Assistant 1.11.12 – KostromDan
- CreativeCore 2.13.44 – CreativeMD
- Creeper Overhaul 4.0.6 – Artist/Creator - Joosh, Dev - ThatGravyBoat
- Critical Strike 1.0.4+1.21.1 – Daedelus
- CullLeaves 4.1.1 – Motschen, TeamMidnightDust
- Curios API 9.5.1+1.21.1 – C4
- Cubes Without Borders 3.0.0+mc1.21 – Kir_Antipov
- Deeper and Darker 1.4.1 – Kyanite Team
- drippyloadingscreen-earlywindow_neoforge_3.1.5_MC_1.21.1.jar
- Drippy Loading Screen 3.1.5 – Keksuccino
- Dungeons and Taverns 1-v4.4.4 – NovaWostra, Konci, Walls
- When Dungeons Arise 2.1.68 – Aureljz, DiamondTown & Zephyrusjz
- Dynamic FPS 3.11.4 – juliand665 & LostLuma
- Epic Fight & Iron's Spellbook animation compat 3.1.0 – Yukami
- Epic Fight Progressive Difficulty 1.2.1 – minhhjjj
- Epic Fight Weapons Compat 1.0.0 – HanHoYoung
- EMI 1.1.24+1.21.1+neoforge – Emi
- Enderman Overhaul 2.0.3 – Alex Nijjar, Joosh
- EnhancedVisuals 1.8.31 – CreativeMD, Sonicjumper
- EntityCulling 1.10.5 – tr7zw
- Epic Fight 21.17.3.1 – Yesman, Gui, Asan, Wayfarer(aka squoshi), Fori, Ellet
- EpicFight:Dawnday 21.17.1.1.0 – Nexo, sidtheplayer
- Epic Knights: Shields, Armor and Weapons 10.12 – Magistu
- Epic Fight Compat 1.1.0 – Payangar
- Explorify 1.6.5 – bebebea_loste
- FancyMenu 3.9.11 – Keksuccino
- Farmer's Delight 1.3.3 – vectorwing
- Ferrite Core 7.0.3 – malte0811
- Fog 1.11.0-1.21.1
- FTB Filter System 21.1.4 – FTB Team
- FTB Library 2101.1.35 – FTB Team
- FTB Pack Companion 21.1.22 – FTB Team
- FTB Quests 2101.1.33 – FTB Team
- FTB Teams 2101.1.10 – FTB Team
- Fzzy Config 0.7.6+1.21+neoforge – fzzyhmstrs
- GeckoLib 4 4.9.2 – Gecko, Eliot, AzureDoom, DerToaster, Tslat, Witixin
- Goety – Polarice3
- Iceberg 1.3.2 – Grend
- Illager Invasion 21.1.6 – Dricky, Safro, Zeckemith, Fuzs
- ImmediatelyFast 1.6.12+1.21.1 – RK_01
- Epic Fight - Invincible 21.15.8.2 – P1nero
- Iris 1.8.14-beta.1+mc1.21.1 – coderbot, IMS212
- Iron's Lib 1.21.1-2.1.0
- Iron's Spells 'n Spellbooks 1.21.1-3.16.3 – Iron431, Lab3
- Jade – Snownee
- Konkrete 1.9.9 – Keksuccino
- kotlinforforge-5.12.0-all.jar
- KubeJS 2101.7.2-build.374 – latvian.dev
- L_Ender's Cataclysm 1.21.1 3.33 – L_Ender
- Legendary Tooltips 1.5.5 – Grend
- lionfishapi 3.1 – L_Ender
- Lithostitched 1.8.0+beta4 – Apollo
- Lootr 1.21.1-1.11.38.124 – Noobanidus
- LAN World Plug-n-Play 1.9.0 – Satxm, Rikka0w0
- Melody 1.0.10 – Keksuccino
- MidnightLib 1.9.3 – TeamMidnightDust, Motschen
- ModernFix 5.27.20+mc1.21.1 – embeddedt
- Moonlight Lib 1.21.1-3.5.0 – MehVahdJukaar
- More Culling 1.0.9 – FX - PR0CESS, 1Foxy2
- Mouse Tweaks 2.26.1 – Ivan Molodetskikh (YaLTeR)
- Mowzie's Mobs 1.8.2 – BobMowzie, Wadoo, Vakypanda, Noonyez, pau101
- MRU 1.0.33+1.21.1
- Mutant Monsters 21.1.1 – shcott21, Chumbanotz, Fuzs, tdstress
- EpicFight Nightfall 3.4.0 – super_awesome_baby
- Noisium 2.3.0+mc1.21-1.21.1 – Steveplays28
- Nullscape 1.2.14 – Stardust Labs
- OctoLib 0.6.2 – OctoStudios
- Patchouli – Vazkii
- Philip's Ruins 2.0 – Philip, Josiah
- Placebo 9.9.2 – Shadows_of_Fire
- Player Animator 2.0.4+1.21.1 – KosmX
- PrickleMC 21.1.11 – Darkhax
- Prism 1.0.11 – Grend
- ProgressiveStages 3.0.3 – EnVy
- Puzzles Lib 21.1.52 – Fuzs
- Quest Enhance 1.21.1-neoforge-3.7 – hp
- RangedWeaponAPI 3.0.0+1.21.1 – Daedelus
- Rapier For EpicFightMod 0.3.13-1.21.1 – Yonchi
- Relics 0.10.7.8 – SSKirillSS
- Resourcefulconfig 3.0.11
- Resourceful Lib 3.0.12 – ThatGravyBoat, Epic_Oreo
- Rhino 2101.2.8-build.91 – latvian.dev, Mozilla
- Searchables 1.0.2 – Jaredlll08
- Shoulder Surfing Reloaded 1.21.1-5.0.11
- Simply Swords 1.70.2-1.21.1 – Sweenus
- Simply Tooltips 0.1.5 – Sweenus
- Sodium 0.8.13-beta.2+mc1.21.1 – JellySquid (jellysquid3), IMS212
- Sons of Sins 2.2.1. – Furti_Two
- Sophisticated Backpacks 3.25.78 – P3pp3rF1y, Ridanisaurus
- Sophisticated Core 1.4.90 – P3pp3rF1y
- Sound Physics Remastered 1.21.1-1.4.10 – Sonic Ether, vlad2305m, Max Henkel
- Spell Engine 1.10.4 – Daedelus
- Spell Power Attribute 1.6.0+1.21.1 – Daedelus
- Structory 1.3.17 – Stardust Labs
- Structory: Towers 1.0.16 – Stardust Labs
- SuperMartijn642's Core Lib 1.1.24 – SuperMartijn642
- Supplementaries 1.21.1-3.9.3 – MehVahdJukaar, Plantkillable
- Tectonic 3.0.26 – Apollo
- TerraBlender – Adubbz
- Terralith 2.6.2 – Starmute, catter1, Apollo, TheKingWhale
- Visual Workbench 21.1.1 – Fuzs
- Waystones 21.1.41 – BlayTheNinth
- Weapons of miracle 2.0.176 – Reascer
- YetAnotherConfigLib 3.8.2+1.21.1-neoforge – isXander
- YUNG's API 1.21.1-NeoForge-5.1.8 – YUNGNICKYOUNG
- YUNG's Better Desert Temples 1.21.1-NeoForge-4.1.5 – YUNGNICKYOUNG, Tera
- YUNG's Better Dungeons 1.21.1-NeoForge-5.1.4 – YUNGNICKYOUNG, Acarii
- YUNG's Better End Island 1.21.1-NeoForge-3.1.2 – YUNGNICKYOUNG, Acarii
- YUNG's Better Jungle Temples 1.21.1-NeoForge-3.1.2 – YUNGNICKYOUNG, Tera
- YUNG's Better Mineshafts 1.21.1-NeoForge-5.1.1 – YUNGNICKYOUNG
- YUNG's Better Ocean Monuments 1.21.1-NeoForge-4.1.2 – YUNGNICKYOUNG, Tera
- YUNG's Better Strongholds 1.21.1-NeoForge-5.1.3 – YUNGNICKYOUNG, Acarii
- YUNG's Better Witch Huts 1.21.1-NeoForge-4.1.1 – YUNGNICKYOUNG, Acarii
- YUNG's Bridges 1.21.1-NeoForge-5.1.1 – YUNGNICKYOUNG
- YUNG's Extras 1.21.1-NeoForge-5.1.1 – YUNGNICKYOUNG, Acarii