Top 12 Open-Source Alternatives to Violentmonkey

Product categories

Ad Blockers Browser Extension Browsing Experience Communication Dark Mode Design Tools Developer Tools Frameworks (Full Stack) Funny Monitoring Tools Security & Privacy Tool

Summary

The top open-source alternatives to Violentmonkey are Greasemonkey, Stylus - User Styles Manager, and Stylebot. One of the criteria for ordering this list is the number of mentions that products have on reliable external sources. You can suggest additional sources through the form here.

Greasemonkey Landing Page
1

Greasemonkey

Customize the way a web page displays or behaves, by using small bits of JavaScript.
Pricing:
- Open Source
#Browser Extension #Dark Mode #Tool 1 social mentions
Stylus - User Styles Manager Landing Page
2

Stylus - User Styles Manager

Stylus is a userstyles editor and manager based on the source code of Stylish version 1.5.2.
Pricing:
- Open Source
#Browser Extension #Developer Tools #Dark Mode 47 social mentions
Stylebot Landing Page
3

Stylebot

Change the appearance of websites instantly. Preview and install styles created by other users on stylebot.me
Pricing:
- Open Source
#Browser Extension #Developer Tools #Dark Mode 14 social mentions
Dark Reader Landing Page
4

Dark Reader

Reduce eye strain in your browser with this extension that provides a dark theme for browsing.
Pricing:
- Open Source
#Browser Extension #Dark Mode #Developer Tools 183 social mentions
User-Agent Switcher and Manager Landing Page
5

User-Agent Switcher and Manager

spoofs browser's User-Agent string.
Pricing:
- Open Source
#Monitoring Tools #Browser Extension #Dark Mode 3 social mentions
Stylus Landing Page
6

Stylus

EXPRESSIVE, DYNAMIC, ROBUST CSS
Pricing:
- Open Source
#Developer Tools #Browser Extension #Dark Mode 11 social mentions
QGIS Landing Page
7

QGIS

QGIS is a desktop geographic information system, or GIS.
Pricing:
- Open Source
#Mapping And GIS #Maps #Heatmaps
DiceBear Avatars Landing Page
8

DiceBear Avatars

Pixel-Art Avatar Generator and -Provider by Identifier/Hash/Seed in JavaScript for Browsers and...
Pricing:
- Open Source
#Photos & Graphics #Funny #Tech 9 social mentions
React Complex Tree Landing Page
9

RCT

React Complex Tree

Unopinionated accessible tree component with drag and drop
Pricing:
- Open Source
#Developer Tools #Design Tools #Productivity 2 social mentions
Blokada Landing Page
10

Blokada

The best ad blocker for Android. Free and open source.
Pricing:
- Open Source
#Security & Privacy #Ad Blockers #Threat Detection And Prevention 236 social mentions
midnight-lizard.org
11

Midnight Lizard

Accessible color schemes for all websites
Pricing:
- Open Source
#Browser Extension #Dark Mode #Browsing Experience
CodeIgniter Landing Page
12

CodeIgniter

A Fully Baked PHP Framework
Pricing:
- Open Source
#PHP Web Framework #Web Frameworks #Frameworks (Full Stack) 8 social mentions