Libraries
There are libraries posted by Greasy Fork users that you can @require in your scripts. For other kinds of libraries you can @require, read Greasy Fork's policy on @require.
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Faketube Premium JS (Kirjasto) - This script will appearently forced to use the (fake) YouTube Premium by changing its logo and blocks all of its ads.
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Common Utilities JS (Kirjasto) - Some common utilities
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Simple Router JS (Kirjasto) - A Simple Router based on the HTML5 History
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QRious JS (Kirjasto) - QRious is a pure JavaScript library for generating QR codes using HTML5 canvas.
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轻小说文库+ 依赖CSS JS (Kirjasto) - 脚本 轻小说文库+ 所需的全部CSS 打包单文件，用于应对网络加载不稳定问题
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lib2class2025 JS (Kirjasto) - 青骄第二课堂题库
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Searchjumperconfig JS (Kirjasto) - Navigate through a deck of URLs with TSV import, exact URL matching
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Dubby JS (Kirjasto) - try to be better
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UTST Translation Library JS (Kirjasto) - Central translation library for UTST
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NexusMods 中文化-词库 JS (Kirjasto) - NexusMods 中文化插件-词库
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Local SoundCloud Downloader (with cover->ID3) JS (Kirjasto) - Download SoundCloud without external service + embed cover art into MP3 ID3 metadata.
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2025-lib-2class JS (Kirjasto) - 2025年全国青少年禁毒知识竞赛题库（已合并小学组+中学组）
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GM_SelectToSearch JS (Kirjasto) - 搜索选中文本
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活動/利潤計算器 JS (Kirjasto) - 活動成本效益分析工具，透過基礎成本與折扣方案，快速計算、比較並預測促銷活動在不同銷售階段下的潛在總利潤。
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DeepSeek Toolkit - Core JS (Kirjasto) - Core framework for DeepSeek chat enhancements. Provides plugin API, wide chat view, and anti-recall protection.
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chess.com puzzle hack JS (Kirjasto) - good luck ;)
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LLMStream JS (Kirjasto) - LLMStream 是一个轻量级的大模型请求和 Markdown 实时渲染库，支持流式/非流式响应、打字机效果、自动 Markdown 渲染等功能。
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Docker 中文化词库 JS (Kirjasto) - 一个对 Docker/DockerHub 进行翻译的词库
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USPS Address Validation - Common JS (Kirjasto) - Library used between the Add/Edit page and the View page.
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Nate's Day Button JS (Kirjasto) - CSS common for a few scripts that put an autofill button next to a date
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Wanikani Open Framework - Menu module - test JS (Kirjasto) - Menu module for Wanikani Open Framework
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Drawaria Game Level 10 - The Top of the Castle JS (Kirjasto) - Level 10: The Final Level. Ascend to the highest spire, face the Diamond Queen, and complete the adventure.
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Drawaria Game Level 9 - Inside the Halls JS (Kirjasto) - Level 9: Inside the Halls. A reflective journey through the castle, meeting the Fairies and preparing for the final ascent.
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Drawaria Game Level 8 - Castle Lands JS (Kirjasto) - Level 8: Castle Lands. Navigate the futuristic, metallic fortress and survive the robotic defenders.
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Drawaria Game Level 7 - Cold Passages JS (Kirjasto) - Level 7: Cold Passages. Traverse the freezing icy caverns, meeting unique, multiplying characters.
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Drawaria Game Level 6 - Sky Mountains JS (Kirjasto) - Level 6: Sky Mountains. Ascend the icy peaks and face the cold wind of the high altitude.
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Drawaria Game Level 5 - Toxic Forest JS (Kirjasto) - Level 5: Toxic Forest. Navigate the dark, dangerous woods and encounter toxic creatures.
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Drawaria Game Level 4 - Sunny Beach JS (Kirjasto) - Level 4: Sunny Beach. Enjoy the sun and waves as you meet characters on your journey across the sand.
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Drawaria Game Level 3 - Grand Desert JS (Kirjasto) - Level 3: Grand Desert. Traverse the scorching desert, meeting new characters in each phase.
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Drawaria Game Level 2 - Drawaria Springs JS (Kirjasto) - Level 2: Drawaria Springs. Experience dynamic backgrounds and NPC encounters, including a swimming phase.
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Drawaria Game Level 1 - Start Point JS (Kirjasto) - Level 1: Start Point. Navigate the dark platform to the end to advance the background. Complete all three phases to talk to the Cube Fairy and finish the level.
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Torn Radial Utils Library JS (Kirjasto) - Core utilities for Torn Radial Menu
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Torn Radial UI Components Library JS (Kirjasto) - UI component generators for Torn Radial Menu
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Torn Radial Themes Library JS (Kirjasto) - Theme definitions for Torn Radial Menu
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Torn Radial Search Library JS (Kirjasto) - Search functionality for Torn Radial Menu
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Torn Radial MiniApps Library JS (Kirjasto) - Mini applications for Torn Radial Menu (Calculator, Timers, Notes, API Monitor)
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Torn Radial CSS Library JS (Kirjasto) - Dynamic CSS generator for Torn Radial Menu
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GM_lock JS (Kirjasto) - A lightweight, dependency-free mutex for Userscripts that ensures **only one tab / context** runs a critical section at a time. It coordinates through `GM.setValue` + `GM_addValueChangeListener`, so it works across multiple tabs, iframes, and even separate scripts that share the same @name/@namespace storage.
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LecteurMedia API Library JS (Kirjasto) - Librairie pour l'intégration de médias sur des forums
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WebDAVClient JS (Kirjasto) - webdav简单客户端，支持创建文件，列目录，读取文件，写入文件，删除文件，移动/复制文件，判断文件是否存在等
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DINOcheat Translation Library JS (Kirjasto) - Central translation library for DINOcheat and related scripts
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* Common: IndexedDB JS (Kirjasto) - Stellt Funktionen zum Speichern und Abrufen von Daten in der IndexedDB bereit
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Upsilon Library - test JS (Kirjasto) - Upsilon Library
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Userscript Logger Pro JS (Kirjasto) - Professional logging system for userscripts with history, colored labels and emoji support. Centralized logger for all your scripts.
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上海开放大学视频自动播放静音助手 JS (Kirjasto) - 上海开放大学学习平台专用，自动播放课程视频并默认静音，提升学习效率，客服V：wkwk796
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YouTube Customizer JS (Kirjasto) - Personnalise l'apparence de YouTube (couleurs, éléments cachés, etc.)
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数据管理 JS (Kirjasto) - 数据的读取保存导入导出
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华医CME数据清理工具（增强版） JS (Kirjasto) - 支持拖拽移动、折叠、半透明的华医CME数据清理工具
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7Placer+ USER JS (Kirjasto) - Pixel place.io bot - an advanced bot that includes image botting, painting, and account management features. (Border drawing feature added)
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7Placer+ META JS (Kirjasto) - Pixel place.io bot - an advanced bot that includes image botting, painting, and account management features. (Border drawing feature added)
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HACKTIMER v1 JS (Kirjasto) - oh hey, custom version
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Bullet Force - Mod Menu JS (Kirjasto) - Bullet Force - Mod Menu with red crosshair dot
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ShikiTreeLib JS (Kirjasto) - Lib для графиков
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AO3: Menu Helpers Library JS (Kirjasto) - Shared UI components and styling for AO3 userscripts
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坚果云上传接口 JS (Kirjasto) - 2.0
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chunkr JS (Kirjasto) - Bootloader de gobernanza de extensiones: entrega el código en chunks verificables, controla quién puede instalar/ejecutar, protege el fuente (no expuesto) y permite revocar/actualizar con kill-switch central y sincronización entre pestañas.
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ModernMonkeyConfig Enhanced Security Edition v0.4.5 JS (Kirjasto) - Enhanced Security Configuration Dialog - FULLY FIXED & OPTIMIZED VERSION
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ModernMonkeyConfig Enhanced Security Edition v0.4.4 JS (Kirjasto) - Enhanced Security Configuration Dialog - FULLY FIXED VERSION
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MusicBrainz API Module JS (Kirjasto) - Module for interacting with the MusicBrainz API.
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Observe JS (Kirjasto) - Observe and wait for elements
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mebuki-page-state JS (Kirjasto) - めぶきちゃんねるでカタログ、またはスレッドにいる時にstateをアップデートしsubscriberに送信します
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Volvo's NBS JS (Kirjasto) - Combined New Bot Snipe and Stage 2 - Auto click memo links and handle place screen with date-aware diff
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Volvo's SVS JS (Kirjasto) - Single Village Snipe
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Auto Refresh on Network Errors JS (Kirjasto) - Automatically refreshes page when network errors occur
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(OUTDATED) Chub.AI - Message Formatting Corrector (PC/Desktop Version) JS (Kirjasto) - Formats narration and dialogues, and removes <think> tags with a single click. (PC/Desktop Version)
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Library sync test JS (Kirjasto) - Testing GF's library syncing
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(OUTDATED) Janitor AI - Automatic Message Formatting Corrector (Drag & Drop button) JS (Kirjasto) - Draggable button with visual feedback! Remembers its position, adapts to screen size, and can't be dragged off-screen. Formats narration/dialogues.
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s-j-dt JS (Kirjasto) - sjd module
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manage_links JS (Kirjasto) - manageLinks v0.1
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VIP视频解析库 JS (Kirjasto) - 提供VIP视频解析服务的核心库
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Library: onElementReady ES7 JS (Kirjasto) - Detect any new DOM Element by its CSS Selector, then trigger a function. Includes Promise- & Callback interface. Based on ES6 MutationObserver. Ships legacy waitForKeyElements interface, too.
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UBMonkeyConfig JS (Kirjasto) - Easy configuration dialog builder for user scripts
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MWI_Toolkit_Library JS (Kirjasto) - 提供全局i18n数据和数据抓取能力，供其他脚本调用
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AUTO js JS (Kirjasto) - A js for exam
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manageLinks JS (Kirjasto) - Works with True URL Downloads
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Trigrams and closest match JS (Kirjasto) - Getting trigrams and searching the closest match
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Classes JS (Kirjasto) - Arras classes for scripting
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Script Notifier JS (Kirjasto) - Sistema de notificações para UserScripts.
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YouTube Helper API JS (Kirjasto) - YouTube Helper API.
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BBCode Parser JS (Kirjasto) - Parse BBCode into AST and convert into HTML
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ModernMonkeyConfig Enhanced Security Edition v0.4.0 JS (Kirjasto) - Enhanced Security Configuration Dialog with improved performance, validation, and security features
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Bangumi-BBCode-to-HTML JS (Kirjasto) - 将 bangumi BBCode 转为 HTML
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网页里面复制内容 JS (Kirjasto) - 网页一个简单的复制能力
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Toast组件模块 JS (Kirjasto) - 可被其他油猴脚本引用的toast提示组件
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WME PLN Module - UI Handler JS (Kirjasto) - Módulo de UI para WME Place Normalizer. No funciona por sí solo.
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WME PLN Module - Logger JS (Kirjasto) - Módulo de logging para WME Place Normalizer. No funciona por sí solo.
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WME PLN Module - Lists Handler JS (Kirjasto) - Módulo para gestionar listas de usuario en WME Place Normalizer. No funciona por sí solo.
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WME PLN Module - Categories Handler JS (Kirjasto) - Módulo de categorías para WME Place Normalizer. No funciona por sí solo.
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WME PLN Module - Geolocation JS (Kirjasto) - Módulo de geolocalización para WME Place Normalizer. No funciona por sí solo.
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WME PLN Module - Stats Handler JS (Kirjasto) - Módulo de estadísticas para WME Place Normalizer. No funciona por sí solo.
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WME PLN Core Loader JS (Kirjasto) - Cargador de módulos del núcleo para WME Place Normalizer. No funciona por sí solo.
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WME PLN Core - Normalization Engine JS (Kirjasto) - Motor de lógica de normalización para WME Place Normalizer. No funciona por sí solo.
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WME PLN Core - AI Handler JS (Kirjasto) - Módulo de comunicación con la API de IA para WME Place Normalizer. No funciona por sí solo.
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WME PLN Core - XML Handler JS (Kirjasto) - Módulo para importar y exportar datos en formato XML para WME Place Normalizer. No funciona por sí solo.
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WME PLN Core - Utils JS (Kirjasto) - Módulo de utilidades y cálculos para WME Place Normalizer. No funciona por sí solo.
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data-manager2 JS (Kirjasto) - process html, store and filter data
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pagination-manager2 JS (Kirjasto) - infinite scroll
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GGn Uploady JS (Kirjasto) - Uploady library
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Binance BTC Fixed Display JS (Kirjasto) - Показва фиксирано BTC количество и смята реална USD стойност
Publish a script you've written (tai opi tekemään sellainen)