Minecraft Java 26 Mods
Browse 1,249 free mods for Minecraft Java 26 — popular picks include Helios Core, a0fefd's ConfigLib, Gremlib.
Step by step: How to install Minecraft Java mods & modpacks
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Helios Core
HeliosCore is the foundation plugin powering the entire Helios ecosystem, providing shared services for storage, permissions, messaging, licensing, player profiles, and the live web dashboard used across all Helios plugins.
a0fefd's ConfigLib
A configuration library for mods. Adds an interface to add config options and a gui to interface with them.

Gremlib
A versatile 26.1+ library made to help with multiloader unification and common functions.
VoidRP UI
Real interfaces on a vanilla client: panels, icons, a live cursor, scrolling lists and text input — no mods, no client install. Pages are Kotlin code, laid out like a web page.
WalksyLibControl
Switch off WalksyLib client mods and features from your server
NegiLib
Minecraft UI runtime API plugin
QinhCoreLib
Shared core library for the Qinh plugin suite. Unifies item sources (CraftEngine, ItemsAdder, Nexo, MMOItems, MythicMobs & more), attributes, custom-block & model bridges, and scripting. Required by QinhItems, QinhSkills, and other Qinh plugins.
Ponder Datapack
Emulate some Ponder mod features in datapack
PAL - Player Advanced Login
Password, premium and Bedrock authentication for Bukkit, Paper and Folia. One jar for a single server, plus an optional proxy addon for Velocity and BungeeCord networks.
WoodLib
A Bukkit PluginLib featuring many usefull things. Builders, Libraries, Utilities and more!

Previews
A library for creating previews
EconGuard
Follow the money across your connected economy plugins. Shared transaction history, suspicious-activity flags, and player-pair investigations.
NeoAPI
A very simple API for NeoCortex's mods. Only used for NeoCortex's projects, or you can use it too!
Flame Announcer
A powerful and highly customizable announcement plugin featuring scheduled Chat, BossBar, and Interactive clickable messages with full in-game management.
KNLibs
KNLibs is a lightweight, high-performance core library required for all KN Projects plugins.
HyperCitizens
Lets HyperScript scripts create and control Citizens NPCs, and run script when a player clicks one.
BoostSync
Reward your Discord Nitro boosters in Minecraft with automated, verified rewards. BoostSync links accounts with a one-time code, grants a renewing 7-day booster rank while they keep boosting, and offers once-per-season reward claims.
Screenshare Scan
Scans the Pc for Cheats. Perfect for Screenshares
NeonFX
NeonFX lets you design and place 3D neon tubes in Minecraft with a visual editor, RGB colors, animated effects, groups, a reusable design library, Text and SVG import.
Tophat
Adds various utilities for datapacks, such as /gui, /motion, player data, and more
Config Hub
USH-Universal Config Hub is a web dashboard for editing all Paper plugin configs. It validates changes, shows reload requirements (hot, plugin reload, or server restart), and safely migrates old versions with backups.
eXc AnimLib
A small animation and color toolkit for Fabric mod developers: easings, tweens, color helpers and gradient HUD drawing for the 26.x render pipeline.
MapCycle
MapCycle makes managing rotating FFA maps simple by handling everything automatically while keeping full control available for administrators.
Konfy
A elegant, minimal and versatile config library.
OneDropCore
All in one optimization, players view plugins, inventory checkpoint plugins.
Bigorna
A plugin that implements the original Minecraft anvil for your server.
Plugin Manager Plus
A lightweight and powerful tool that allows server administrators to load, unload, reload, enable, and disable Minecraft plugins dynamically at runtime without restarting the server.
DuskLib
a library mod to help me not invent the wheel everytime i am making or updating my mods
Custom Collision Box
A datapack library that can create custom collision/interaction box with management.
RatsCurrencies
A Simple Custom Currency Plugin Which Adds A Shop And A Currency Distribution System For Your Server. This Also Helps To Save The Memory And CPU Usage Which Are Overused In Another Currency Plugin. This Has Very User Friendly Interface [1.18+]
DPNPC
Customizable NPCs using Minecraft's mannequin entity.
NzxterMOTD
This is the best and most perfect motd system for Bukkit
RpgSkills
RPGSkills — Transform Your Minecraft Server into an RPG Adventure!
NekoJS CSV
Adds CSV (Comma-Separated Values) Parse/Read/Write support for KubeJS. This mod has no functionality for end users (players).

FreshLib
A library required for all FreshChromatic plugins.
ChaosCraft- Random Events
Turn Minecraft survival into a chaotic adventure with unpredictable random events, dangerous encounters, and unexpected rewards.