See Optifine Alternatives for a few useful client side only mods!
Mods on this list are marked as outdated when they are two major Minecraft versions old - e.g. if 1.16 is the latest version, 1.14 and older mods are considered outdated.
Bugfixes
| Boat Fall | Modrinth | |
| Carpet TIS Addition | Modrinth CurseForge | |
| FabricCrossDimTPFix | Modrinth | |
| Keep Head Names | Modrinth | |
| TimeOut Out | Modrinth | |
| Wither Cage Fix | Modrinth CurseForge | |
| WorldBorderFix | Modrinth |
Building
| Armor Stand Editor | Modrinth | |
| Head Index | Modrinth |
Chat
| Essential Commands | Modrinth GitHub | |
| Extension | Modrinth | |
| FabricTailor | Modrinth CurseForge | |
| Girlbossed | Modrinth | |
| ItemFlexer | Modrinth CurseForge | |
| Kanaify | Modrinth | |
| Pingspam | Modrinth | |
| Player Roles | Modrinth CurseForge | |
| Regional Chat | Modrinth | |
| Server Chat History | Modrinth | |
| SimpleChat - Chat mod for Fabric servers | Modrinth | |
| Styled Chat | Modrinth | |
| Styled Nicknames | Modrinth |
Join Messages/MOTD
| Player Events | Modrinth |
Chat Linking
Discord
| AutoWhitelist | Modrinth | |
| BlockBot | Modrinth | |
| Discord Integration Fabric | Modrinth CurseForge | |
| Discord-MC-Chat | Modrinth | |
| Fabric-Discord Link | Modrinth CurseForge | |
| Fabric2Discord | Modrinth CurseForge | |
| Simple Discord Link | Modrinth CurseForge | |
| TomsServerUtils | Modrinth | |
| DiscordMinecraftFabric | Modrinth | abandoned |
Matterbridge
Twitch
Claims/World Protection
| Factions | Modrinth | |
| Get Off My Lawn ReServed | Modrinth | |
| Hey That's Mine | Modrinth | |
| Leukocyte | Modrinth GitHub |
Commands
| Aliases | Modrinth CurseForge | |
| BetterTellraw | Modrinth | |
| Command Aliases | Modrinth CurseForge | |
| Custom Commands | Modrinth | |
| Cyan | Modrinth | |
| Damage Function | Modrinth | |
| DisguiseLib | Modrinth | |
| Dory | Modrinth | |
| Editable Player NBT Hack | Modrinth | |
| Essential Commands | Modrinth GitHub | |
| Extension | Modrinth | |
| GlobalSpawn | Modrinth CurseForge | |
| Head Index | Modrinth | |
| Image2Map | Modrinth CurseForge | |
| Impersonate | Modrinth CurseForge | |
| MobDisguises | Modrinth | |
| Mods Command | Modrinth | |
| Player Pronouns | Modrinth | |
| Player Roles | Modrinth CurseForge | |
| slashdiscord | Modrinth | |
| Slime | Modrinth | |
| Stellar Tune | Modrinth GitHub | |
| TabTPS | Modrinth | |
| Wires | Modrinth CurseForge | previously Server Simplified |
| Personal Spaces | Modrinth | abandoned |
Teleportation/Homes
| BlossomBack | Modrinth | |
| BlossomHomes | Modrinth | |
| BlossomTPA | Modrinth | |
| BlossomWarps | Modrinth | |
| Homabric | Modrinth | |
| Interdimensional | Modrinth | |
| RandomTP | Modrinth | |
| The Warp Mod | Modrinth CurseForge |
Cursed
| Dihydrogen Monoxide Reloaded | Modrinth CurseForge |
Economy/Shops
| Diamond Economy | Modrinth | |
| Grand Economy | Modrinth CurseForge | |
| Universal Shops | Modrinth CurseForge |
Gamemodes/Minigames
| Factions | Modrinth | |
| Gamemodes | Modrinth | |
| Level = Border | Modrinth | |
| Manhunt Fabricated | Modrinth GitHub | |
| Server Side Tetris | Modrinth | |
| Skylands (Skyblock) | Modrinth | |
| Solar Apocalypse: Refabricated | Modrinth CurseForge |
Inventory
| Conditional Keep Inventory | Modrinth | |
| FilledToTheBrim | Modrinth CurseForge GitHub | works best with client mod installed |
| Inv View | Modrinth CurseForge | |
| InvSync | Modrinth | |
| ItemRename | Modrinth CurseForge GitHub | |
| Better Keepinventory | Modrinth | |
| Kits | Modrinth | |
| RenameIt | Modrinth |
NPCs
| Blacksmiths | Modrinth | |
| Taterzens | Modrinth | |
| TraderNPCs | Modrinth |
Performance
| FerriteCore | Modrinth CurseForge | |
| Krypton | Modrinth GitHub | |
| LazyDFU | Modrinth | |
| Lithium | Modrinth CurseForge | |
| Phosphor | Modrinth CurseForge | incompatible with Starlight |
| Starlight | Modrinth | incompatible with Phosphor |
| Very Many Players (Fabric) | Modrinth | experimental |
| Hydrogen | Modrinth | experimental, abandoned |
Affects behaviour
These mods make significant changes that may impact behaviour in-game, or reduce the work done (e.g. ticking, chunk loading) by the server. Technical servers may not want to use these.
| Alternate Current | Modrinth | |
| Entity View Distance | Modrinth | |
| Ksyxis | Modrinth | |
| ServerCore | Modrinth | |
| TickTools | Modrinth | |
| World Specific View Distance | Modrinth | |
| C2ME | Modrinth GitHub | experimental |
Quests
Server Management
| Action Inventory Mod | Modrinth | |
| AutoWhitelist | Modrinth | |
| Badlion Client Disabler | Modrinth | |
| BanHammer | Modrinth | |
| BrandBlock | Modrinth | |
| DynRes | Modrinth CurseForge | |
| Enforce Gamemode | Modrinth | |
| Erroring Entity Remover | Modrinth CurseForge | |
| Autocomplete Command Blacklist | Modrinth | |
| FabricSQLWhitelister | Modrinth | |
| FabricExporter | Modrinth | |
| FlashFreeze | Modrinth | |
| GeyserSkinManager Fabric | Modrinth | |
| Holograms | Modrinth | |
| I'm Here Get Moving | Modrinth | |
| Maintenance Mode | Modrinth CurseForge | |
| Gastrolimital Bypass | Modrinth | |
| Semblance | Modrinth | |
| Version Mod Loader | Modrinth | |
| Wires | Modrinth CurseForge | previously Server Simplified |
Anticheat/Anti X-ray
| AntiXray | Modrinth | |
| GolfIV | Modrinth |
Backups
| Textile Backup | Modrinth CurseForge |
Console/Logs
| BadStdOut | Modrinth | |
| Clean Logs | Modrinth | fork of Shut Up Console |
| Not Enough Crashes | Modrinth |
Datapacks
| Data Loader (commander07 1.18 port) | Modrinth | |
| Entity Modifiers | Modrinth | |
| Text Builders | Modrinth |
Gamerules
| Boring Default Game Rules | Modrinth |
Logging/auditing
| Ban Trigger | Modrinth | |
| Ledger | Modrinth | supersedes DeltaLogger |
| Ore-Readout | Modrinth |
Multiworld/Dimensions
| Interdimensional | Modrinth |
Permissions/Roles
| LuckPerms | Modrinth | |
| Player Roles | Modrinth CurseForge | |
| Wires | Modrinth CurseForge | previously Server Simplified |
Pregeneration
| Chunky Pregenerator | Modrinth CurseForge |
Profiling/Debugging
| Blame | Modrinth | |
| MixinTrace | Modrinth | |
| Spark | Modrinth CurseForge |
Protocol tricks - Cross-version/edition compatibility, resource packs for client-required mods
| ViaFabric | Modrinth Website |
Proxy forwarding (BungeeCord/Waterfall/Velocity)
| CrossStitch | Modrinth CurseForge | |
| Fabric Forwarding | Modrinth CurseForge | |
| FabricProxy-Lite | Modrinth | supersedes FabricProxy |
Resource packs
| Polypack Host | Modrinth | |
| RefreshResource | Modrinth | |
| SwitchableResourcepacks | Modrinth |
Server List modifications
| MiniMOTD | Modrinth CurseForge | |
| Server Ping | Modrinth CurseForge |
Statistics/Analytics
| RPGStats | Modrinth CurseForge | |
| ServerStats | Modrinth | |
| UnifiedMetrics | Modrinth |
Tab List modifications
| Styled Player List | Modrinth | |
| Fabric Tab List | Modrinth | |
| TabTPS | Modrinth |
Tweaks
Cauldrons
| Cauldron Fix | Modrinth | |
| Easier Powdered Snow | Modrinth | |
| Dispenser Cauldron | Modrinth |
Combat
| AntiLogout | Modrinth CurseForge | |
| Axes Are Weapons | Modrinth | |
| FabricPvP | Modrinth | |
| Infinity Fix | Modrinth | |
| LifeSteal | Modrinth | |
| Perfect Accuracy | Modrinth | |
| Set Bonuses | Modrinth | |
| Snowball and Egg Knockback | Modrinth CurseForge | |
| Snowballs Hit Players | Modrinth |
Crafting
| Anvil Crushing Recipes | Modrinth CurseForge | |
| Craftable Enchanted Golden Apple | Modrinth | |
| DeepslateCutting Fabric | Modrinth | |
| Gimme bundles! | Modrinth CurseForge | |
| NBT Crafting | Modrinth CurseForge | |
| Recipe Reshaper | Modrinth |
Dispensers
| Dispenser Cauldron | Modrinth |
Enchanting/Enchantments
| Better Than Mending | Modrinth | |
| Expanded Armor Enchanting | Modrinth | |
| Expanded Axe Enchanting | Modrinth | |
| Expanded Trident Enchanting | Modrinth | |
| Expanded Weapon Enchanting | Modrinth | |
| Feather Fall Flying | Modrinth | |
| Grind Enchantments | Modrinth | |
| High Level Enchants | Modrinth | |
| Overpowered Mending | Modrinth CurseForge | |
| Sharpness VI | Modrinth | |
| Unbreakable Enchantment | Modrinth |
Fishing
| Realistic Fishing | Modrinth |
Flight
Game Mechanics Tweaks
| Anvil Crush | Modrinth | |
| Anvil Fix | Modrinth CurseForge | works best with client mod installed |
| Backport Gamerules | Modrinth GitHub | |
| Better Nether Map | Modrinth | |
| Better Moss IMO | Modrinth | |
| Carpet TIS Addition | Modrinth CurseForge | |
| Colorful Anvils | Modrinth | |
| Cropped | Modrinth CurseForge GitHub | |
| DeepslateGenerator | Modrinth | |
| Difficulty Tweaker | Modrinth | |
| Discerning Furnace | Modrinth CurseForge | |
| Dispenser Configurator | Modrinth CurseForge | |
| Drop Spread | Modrinth | |
| Fence Player Upper | Modrinth CurseForge | |
| FilledToTheBrim | Modrinth CurseForge GitHub | works best with client mod installed |
| Fire's Survival Tweaks | Modrinth CurseForge | |
| Grindstone Is Made Of Stone | Modrinth | |
| Hardened Crops | Modrinth | |
| Horizonal Portals | Modrinth | |
| Lightning Podoboo | Modrinth | |
| No Sneaking Over Magma! | Modrinth CurseForge | |
| No Teleport Cooldown | Modrinth | |
| No Cap | Modrinth | |
| Offline Daytime | Modrinth | |
| ParadoxSlabs | Modrinth | |
| persistent entities | Modrinth | |
| Powershot | Modrinth | |
| QuickCarpet | Modrinth CurseForge | |
| Replant Swamp Trees | Modrinth | |
| Silky hands | Modrinth | |
| Spice of Fabric | Modrinth | |
| Sticky Elytra | Modrinth | |
| Unlimited Dragon Eggs | Modrinth CurseForge |
Graves/Death
| AntiLogout | Modrinth CurseForge | |
| Conditional Keep Inventory | Modrinth | |
| Don't Do Death Despawn | Modrinth | |
| Lenient Death | Modrinth | |
| Universal Graves | Modrinth CurseForge |
Minecarts
| Subspace train | Modrinth | |
| TaterCart | Modrinth |
Mobs
| Always Drop Loot | Modrinth CurseForge | |
| Apathy | Modrinth | |
| BetterLeads | Modrinth | |
| Camp Fires Cook Mobs | Modrinth CurseForge | |
| Chicken Nerf | Modrinth CurseForge | |
| Creeper AI Updated | Modrinth | |
| Custom Piglin Bartering | Modrinth CurseForge | |
| Damage Incorporated | Modrinth | |
| Daylight Mobs Reborn | Modrinth CurseForge | |
| Epic Horse Breed | Modrinth | |
| FabricNoMobGrief | Modrinth | |
| Fatal Blow | Modrinth | |
| Fishy Bears | Modrinth | |
| FabricHealthDisplay | Modrinth | |
| Horse Stonks | Modrinth | |
| Horse Buff | Modrinth | |
| Independent Pets | Modrinth | |
| Mob Blindness | Modrinth | |
| Mob Rebirth | Modrinth CurseForge | |
| Mob Spawning Light Level | Modrinth | |
| Mob Filter | Modrinth CurseForge | |
| mobgrief | Modrinth | |
| Mob proof crystals | Modrinth | |
| Mobs Attempt Parkour | Modrinth CurseForge | |
| More Mob Drops | Modrinth | |
| No Angy Fwom Looky Wooky UwU | Modrinth | |
| Name Bros | Modrinth CurseForge GitHub | |
| Neutral Animals | Modrinth | |
| No More Bleeding Sheep | Modrinth | |
| No Mob Farms | Modrinth CurseForge | |
| Pigless Portals | Modrinth CurseForge | |
| playerless | Modrinth CurseForge | |
| Project: Save the Pets! | Modrinth CurseForge | |
| Random Wool Sheep Drop | Modrinth | |
| Wrangler | Modrinth |
New Game Mechanics
| Biome Technologies | Modrinth CurseForge | |
| Patbox's Brewery | Modrinth CurseForge | |
| Carpet TIS Addition | Modrinth CurseForge | |
| ComputerCraft: Restiched with Polymer | Modrinth | |
| Extension | Modrinth | |
| FastGrowth | Modrinth CurseForge | |
| Fire's Survival Tweaks | Modrinth CurseForge | |
| Gentle Picking | Modrinth CurseForge | |
| Ghastly Wail | Modrinth CurseForge | |
| Home Camp | Modrinth CurseForge | |
| Illager Expansion (Polymer Port) | Modrinth | |
| Infinity Water Bucket | Modrinth CurseForge | |
| JankAddons | Modrinth | |
| Mechanical Factory | Modrinth | |
| Name Bros | Modrinth CurseForge GitHub | |
| No More Magic Milk | Modrinth | |
| Waystones (Polymer Port) | Modrinth | |
| Punch2Prime | Modrinth CurseForge | |
| QuickCarpet | Modrinth CurseForge | |
| Server Backpacks | Modrinth | |
| ServShred | Modrinth | |
| FabricSit | Modrinth | |
| Snow Under Trees | Modrinth CurseForge | |
| Snowy Trees | Modrinth | |
| StitchedSnow | Modrinth CurseForge | |
| Trinkets (Polymer Port) | Modrinth | |
| Unforgiving Void | Modrinth CurseForge | |
| Vanessence | Modrinth | |
| Victorian Gewgaws | Modrinth |
Villagers
| Economical Villager Trading | Modrinth CurseForge | |
| InfiniteVillagerTrading | Modrinth CurseForge | |
| Roundaround's Villager Converting | Modrinth | |
| SimpleVillagers | Modrinth CurseForge | |
| Villager See, Villager Do | Modrinth CurseForge | |
| VillagerConfig | Modrinth CurseForge | |
| Villagers Follow Emeralds | Modrinth | |
| Wandering Collector | Modrinth | |
| Zombify | Modrinth |
Utility / Quality of Life
| Better Signs & Frames | Modrinth CurseForge | |
| ChestRefill | Modrinth CurseForge | |
| Creative One-Punch | Modrinth | |
| Cropped | Modrinth CurseForge GitHub | |
| Crowmap | Modrinth | |
| Easy Painter | Modrinth | |
| EditSign | Modrinth | |
| Egg Of Capitalism | Modrinth | |
| HealthCare | Modrinth | |
| Lakotnik - Hunger Preview | Modrinth CurseForge | |
| Monsters in the Closet | Modrinth CurseForge | |
| Polydex | Modrinth | |
| Simple Right Click Harvest | Modrinth |
Cosmetic
| Froggy Flies | Modrinth | |
| Hat command | Modrinth CurseForge GitHub | |
| Immersive Cursedness | Modrinth | |
| Server Hats | Modrinth | |
| Villager Names | Modrinth CurseForge |
Sleep (Voting/Acceleration/etc)
| Bed Benefits | Modrinth | |
| BetterSleeping Revived | Modrinth | |
| Day Dream | Modrinth CurseForge | |
| Freedom of Insomnia | Modrinth | |
| Keep The Rain | Modrinth | |
| Lucid-lite | Modrinth |
Tree/Leaf removal/decay
| Falling Tree | Modrinth CurseForge | |
| FastDecay | Modrinth | |
| TreeFeller | Modrinth | |
| Tree Felling | Modrinth | |
| Trees Do Not Float | Modrinth CurseForge |
Web Maps
| BlueMap | Modrinth CurseForge | |
| squaremap | Modrinth |
Worldgen
| Better Moss IMO | Modrinth | |
| Lakeside | Modrinth CurseForge | |
| Mo' Structures | Modrinth CurseForge | |
| ProtoSky | Modrinth | |
| Repurposed Structures | Modrinth CurseForge | |
| Sky Villages | Modrinth | |
| SpaghettiTrees | Modrinth | |
| Stoneholm | Modrinth | |
| Structure World | Modrinth CurseForge | |
| Terra | Modrinth | |
| When Dungeons Arise | Modrinth CurseForge | |
| Smooth Bedrock by Blayyke | Modrinth CurseForge | abandoned |