Dupe Utils is a free Minecraft 1.21.11 mod that provides tools for interacting with GUI systems and packets.

Dupers is the fast file duplicate checker and filename search tool.

A plugin that prevents stacked totems. Useful if you own a server that facilitates the crafting dupe, but don't want to deal with stacked totems.

Plex Duplicate Video Finder

A Minecraft Server Plugin that allows you to duplicate items.

Dupe plugin for 1.21.8 minecraft spigot

https://github.com/Coderx-Gamer/ui-utils but on 26.1 and newer

One of, if not the best dupe plugins you`ll find.

Addon for RandomPackage for duping books (Opened or Unopened)

CopyItem is a simple, yet customizable Spigot plugin that allows server operators and players with permission to copy items in their hand or in their sight.

C ile yazılmış, temel komut çalıştırma, pipe, redirection, ortam değişkenleri ve sinyal yönetimi özelliklerine sahip minimal Unix kabuk uygulaması.

SebaDupeChecker is a simple ChatTriggers module that allows you to check if an item you are holding is duped or not

Returns new identical copy of object, including same prototype chain

Apple's Calculator App - Dupe

A Fabric Mod for the site dupedb.net

Plugin which allows to control which gravity blocks are allowed to be duped through end portal

Advanced Duplicate Finder

Dupe Macro for Mordhau

minecraft 1.18 duplication