65 Open source projects that are alternatives of or similar to Violentmonkey

Tools for Pontoon and its integration into the browser.

WebExtension: Adds an option to the context menu to search with an image on various services.

The DownThemAll! WebExtension

在Youtube上面顯示PTT推文

Modify requests, inject JavaScript and CSS into pages

Save a web page/selection as an eBook (.epub format) - a Chrome/Firefox/Opera Web Extension

Firefox Web Extension to save Facebook posts as images

Unlock Netflix Hidden Categories With This Browser Extension

A WebExtensions browser extension for aiding language learning.

Copying Link, Image and Tab(s) as Markdown Much Easier.

Script to generate TypeScript definitions for WebExtension Development in FireFox

🕘 Browse your firefox history like a boss.

A session/tab manager web extension for Firefox based on the Microsoft Edge feature.

Awesome cross-extension APIs that enable browser extensions to integrate with each other.

Redux for WebExtensions

Browse later, a WebExtensions add-on.

A firefox addon wich goes up a folder of a website.

A native Java library, a Swing GUI application and an applet to read the Serbian eID card, built on javax.smartcardio

A command line tool to help build, run, and test web extensions

The easiest way to get website internal / customers feedbacks (WebExtensions)

An awesome browser extension that reads aloud webpage content with one click

A WebExtension for the Transmission BitTorrent client

Change colors of contribution graph in GitHub.

This is a Firefox addon providing the "Bookmarks" subpanel for Tree Style Tab.

WebExtension for keyboard-accessible tab management

🖋 Convert Grammarly to Markdown (browser extension)

Example Firefox add-ons created using the WebExtensions API

A WebExtension which improves Twitter & TweetDeck user experience for Persian users

WebExtension Experiments for Thunderbird

UI for create-web-ext

Userscripts to improve and add features to Trakt.tv

Fast, open and free-to-use new tab page for modern browsers

Helps you manage and autosave your extension's options. Chrome and Firefox.

A devtools extension for toggling CSS features allowing developers to see how pages/apps render in browsers that don't support modern CSS features

该项目开源代码用于主流浏览器的油猴脚本，包含字体渲染脚本 Font Rendering.user.js, 搜索引擎跳转工具 Google & Baidu Switcher.user.js.

Home page for all listed extensions, if you have any suggestions/bugs, please file an issue in this repo

I2P in Private Browsing mode for Firefox, built using Webextensions and Contextual Identities

RetroTxt is the WebExtension that turns ANSI, ASCII, NFO text into in-browser HTML

A webextension which would sync firefox containers across multiple devices.

A browser extension that deletes your news feed and replaces it with a nice quote

A WebExtension that lets you fix sound problems in e.g. YouTube videos

DownZemAll! is a download manager for Windows, MacOS and Linux

Provides ability to copy title and URL of selected tabs to the clipboard for Firefox 63 and later.

🔑✅ An alternative to Twitter's verified accounts powered by Keybase.

SixIndicator is a WebExtension Plugin which indicates via an icon, if you are viewing the website with IPv6 or IPv4.

WebExtension for the Anime Reverse Search Engine to search by image

Avoid redirects and has direct access to the sites you want to visit.

Kee adds free, secure and easy password management features to your browser which save time and keep your private data more secure.

A sitebar that helps pentesters to perform manual web security testing inside their browser. This addon is written in webextension and alternatives to the XUL version of original Hackbar.

Firefox add-on for arranging tabs vertically

The free book `Browser Extensions book`, by yours truly. Momentarily stale.

⚡️ A template for building cross browser extensions for Chrome, Opera & Firefox.

🚤 📂 Quickly access the JIRA of your choice by typing the ticket id

The official browser extension for the Passwords app for Nextcloud.

Companion add-on for Firefox Relay. Keep your email safe from hackers and trackers. Make an email alias with one click, and keep your address to yourself.

ClearURLs is an add-on based on the new WebExtensions technology and will automatically remove tracking elements from URLs to help protect your privacy.

A client for scuttlebutt network as a Firefox WebExtension

One-click in-line page translation for Firefox

Multiple Tab Handler, Provides feature to close multiple tabs.

Block distracting websites when you are browsing the web. Use for procrastination.