Minecraft Java 1.17 Mods
Browse 873 free mods for Minecraft Java 1.17 — popular picks include KazSWUTMCore - Forge, CME is Bad, lOwOcalizatiωn.
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KazSWUTMCore - Forge
Library for kazmur mods: They Track,Ore Cow, Prison in prison, Battle Weapons, Battle Weapons, Accelerator,Sixteen Dimensions and etc.
CME is Bad
A mod for debugging Concurrent Modification Exceptions and Index Out of Bounds Exceptions.
lOwOcalizatiωn
OwO?
ViaAprilFools
ViaVersion addon to add support for some notable Minecraft snapshots.
Craftable Totem of undying tweak
This is mod witch adds craft to Totem of undying
ParticleAnimationLib
A particle animation library mod to create cool particle effects super easily!
GlobalMarketChest - GUI Shop Plugin
GUI shop plugin that allows to easily create global shops to sell and buy auctions
NPCLib
Basic non-player character library.
LastLoginAPI - API to handle player names and login timestamps
A library to handle player names and login timestamps
VPacketEvents
Manage packets through Velocity's native events
BKCommonLib
Spigot/Paper Utility Library and Minecraft Server API
SQLite JDBC (Fabric/Forge)
SQLite JDBC Driver for Minecraft
Customizable Player Models Plasmo Voice compat
Adds compatibility between Customizable Player Models and Plasmo Voice
Minecraft SQLite JDBC
Up-to-date SQLite JDBC driver wrapped as a universal Forge/Fabric/Bukkit library for plugins like Dynmap and Grim.
Cyber Permissions
Permissions Mod for Fabric
EpicGuard
Bot protection system for Minecraft servers and proxies
SpASM
Dynamic ASM everywhere
Potion API
API mod that supports various potions.
PlayerProgress
PlayerProgress is a Minecraft datapack that introduces a leveling system. Earn UP from activities like mining and combat to level up and gain new abilities and rewards.
Piglib
Adds tags for various Piglin related things
FacilisCommon
Library for Minecraft
[MTR/NTE] Harry's Lib
Script library for other MTR/NTE resourcepacks
T2CodeLib
T2CodeLib is a library for the plugins of T2Code.
MySQL JDBC (Fabric/Forge)
MySQL JDBC Driver for Minecraft
Brutal Nightmare Config Integration
Add global config menu for Brutal Nightmare
FScript Lib
Library for adding scripting to a mod
SQLib
The easiest way to store data for all your minecraft needs!
Tebex-Forged
Your well known Tebex(buycraft) plugin that has been mended in the fiery fires of Forge modloader

Annoying API
General purpose API with tons of features
Version't
A powerful java reflection layer and toolchain targeted at multi-version Minecraft Fabric modding
Jsonate
Jsonate simplifies Minecraft mod configuration with a lightweight JSON API, automating versioning, file handling, and type-safe data access for Forge developers.
Vivecraft Spigot Extension
Adds support for Vivecraft on Spigot/Paper/Folia based servers
Leah's Resource Library
Library Resource Pack for all individual MTR Resource Packs by Leah. Sounds, Bogies, Couplers and Seats included in this pack.

Potions Description
This resource pack enhances Minecraft's potion system by providing detailed descriptions of every potion directly in-game. Whether you're new or experienced, it helps you make better choices while brewing your potions.
StrEq
String to Equation!
UltimateAdvancementAPI
A powerful API to create custom advancements for your Minecraft server.