- 3d-Skin-Layers [1.11.2] by tr7zw
- AmbientSounds [6.3.8] by CreativeMD, AriaFreeze
- AppleSkin [3.0.9+mc1.21] by squeek
- Architectury [13.0.8] by shedaniel
- Ascended Quark [1.1.6] by RazorDevs
- AttributeFix [21.1.3] by Darkhax
- BadOptimizations [2.4.1] by Thosea
- Balm [21.0.60] by BlayTheNinth
- Better Archeology [1.21.1-1.3.4] by Pandarix
- Bookshelf [21.1.81] by Darkhax
- Carry On [2.2.4] by Tschipp, PurpliciousCow
- Chat Heads [0.15.2] by dzwdz, Fourmisain
- Chunky [1.4.23] by pop4959
- Cloth Config v15 API [15.0.140] by shedaniel
- Continents [1.1.13] by Stardust Labs
- Copper Age Backport [0.1.4] by Smallinger
- Create [6.0.10] by simibubi
- Create Aeronautics [1.3.0] by Simulated Team
- Create Crafts & Additions [1.6.0] by MRH0
- Create: Addictives [3.1.5] by 5d79
- Create: Copycats+ [3.0.4+mc.1.21.1-neoforge] by Lysine, Bennyboy1695, Redcat_XVIII
- CreativeCore [2.13.41] by CreativeMD
- Critters and Companions [1.21.1-2.4.1] by Joosh, EterDelta
- Curios API [9.5.1+1.21.1] by C4
- Deeper and Darker [1.4.1] by Kyanite Team
- Dungeons and Taverns [1-v4.4.4] by NovaWostra, Konci, Walls
- Dynamic FPS [3.11.4] by juliand665 & LostLuma
- Dynamic Trees [1.7.2] by Ferreusveritas
- Dynamic Trees for Quark [NONE] by supermassimo, Max Hyper
- Easy Mob Spawn Control [1.4.6] by Catomon
- Ender Dragon Fight Remastered [5.0.1] by MrGenie151
- Ender IO [8.2.11-beta] by CrazyPants, tterrag, HenryLoenwind, MatthiasM, CyanideX, EpicSquid, Rover656, HypherionSA, liliandev, Ferri_Arnus, dphaldes
- EntityCulling [1.10.5] by tr7zw
- Explorer's Compass [1.21.1-3.4.0-neoforge] by ChaosTheDude
- Farmer's Delight [1.3.2] by vectorwing
- Ferrite Core [7.0.3] by malte0811
- Forgiving Void [21.1.7] by BlayTheNinth
- GeckoLib 4 [4.9.2] by Gecko, Eliot, AzureDoom, DerToaster, Tslat, Witixin
- Highlighter [1.1.11] by Grend
- Iceberg [1.3.2] by Grend
- ImmediatelyFast [1.6.11+1.21.1] by RK_01
- Immersive Armors [1.7.6+1.21.1] by Luke100000
- Inventory Profiles Next [2.2.5] by Mirinimi
- Iris [1.8.14-beta.1+mc1.21.1] by coderbot, IMS212
- Jade [15.10.5+neoforge] by Snownee
- Jurassic Revived [0.215.0] by CMR Team, Eli Gibbs
- Just Enough Items [19.32.0.358] by mezz
- Kotlin for Forge [uhJhCT7X]
- KotlinLangForge [2.12.1-k2.4.0-3.0+neoforge] by btwonion
- LOTMCraft [1.0.0] by Jakob
- LambDynamicLights [4.8.10+1.21.1] by LambdAurora
- Lithium [0.15.4+mc1.21.1] by 2No2Name, JellySquid
- Lootr [1.21.1-1.11.37.121] by Noobanidus
- ModernFix [5.27.15+mc1.21.1] by embeddedt
- Modonomicon [1.120.1] by Kli Kli
- More Culling [1.0.8] by FX - PR0CESS, 1Foxy2
- Nature's Compass [1.21.1-3.4.0-neoforge] by ChaosTheDude
- No Chat Reports [1.21.1-v2.9.1] by Aizistral
- Ok Zoomer [10.0.0-beta.13] by Ennui Langeweile and Up
- Platform [1.3.3] by ItsBlackGear
- Polymorph [1.1.0+1.21.1] by Illusive Soulworks
- PrickleMC [21.1.11] by Darkhax
- ProjectE [1.1.0] by SinKillerJ, MaPePeR, williewillus, Lilylicious, pupnewfster
- ProjectE-Integration [8.3.1] by TagnumElite
- Quark [4.1-481] by Vazkii, WireSegal, MCVinnyq, Sully
- Quark Oddities [1.21.1] by Vazkii, WireSegal, MCVinnyq, Sully
- Random Mob Sizes [1.21.1-2.2.2] by Buecher_wurm
- Reese's Sodium Options [2.2.2+mc1.21.1] by FlashyReese
- Resourcefulconfig [3.0.11]
- Revelationary [${version}] by DaFuqs
- Sable [2.0.3] by RyanHCode
- Simple Voice Chat [1.21.1-2.6.20] by Max Henkel
- Sodium [0.8.12-beta.2+mc1.21.1] by JellySquid (jellysquid3), IMS212
- Sodium Dynamic Lights [1.0.9] by toni, LambdAurora
- Sodium Extra [0.9.1+mc1.21.1] by FlashyReese
- Sodium Options API [1.0.10] by toni
- Spectrum [1.11.8-1.21.1-neo] by DaFuqs, Azzyypaaras, Noaaan, Electro_593
- SpectrumJEI [21.1.9+neoforge] by TheLMiffy1111
- The Aether [1.5.10] by AlphaMode, baguchi, bconlon, Blodhgarm, Burning Cactus, Drullkus, Hugo Payn, Jaryt, Katie 'Oz' Payn, quek, Raptor, reetam, RENREN, sunsette
- Timeless & Classics Guns: Zero [1.1.8-hotfix-r2] by Serene Wave Studio | Timeless Squad
- Traveler's Backpack [10.1.36] by Tiviacz1337
- Vampires Need Umbrellas [1.0.3] by focamacho
- Vampirism [1.10.12] by maxanier, cheaterpaul
- VanillaBackport [1.1.7.10] by BlackGear
- Veinminer [2.10.1] by Miraculixx, Max Bossing
- Veinminer Client [2.10.1] by Miraculixx, Max Bossing
- Veinminer Enchantment [2.10.3] by Miraculixx
- Waystones [21.1.35] by BlayTheNinth
- Waystones2Waypoints2 [2.1.0] by Love, Cheese and small house plants
- Werewolves [2.0.3.3] by cheaterpaul
- When Dungeons Arise [2.1.68] by Aureljz, DiamondTown & Zephyrusjz
- When Dungeons Arise: Seven Seas [1.0.4] by Zephyrusjz, Aureljz
- Xaero's Minimap [26.1.0] by xaero96
- Xaero's World Map [1.41.2] by xaero96
- XaeroPlus [2.33.3] by rfresh2
- Zeta [1.1-40] by Vazkii, quat, IThundxr, Siuol, wiresegal, MehVahdJukaar
- e4mc [6.2.0] by skyevg
- legendary_monsters [1.21.1] by ${mod_authors}
- libIPN [6.6.3] by Mirinimi
- oωo [0.12.15.5-beta.1+1.21] by glisco, Blodhgarm, BasiqueEvangelist, Noaaan