1
Custom Sidebar
greasyfork.org/en/scripts/535629Also covers browser extension
This userscript adds a custom sidebar to Google Search and requires a userscript manager such as Tampermonkey or Violentmonkey.
Alternatives
The Best Violentmonkey Alternatives in 2026
24 alternatives0 free · 11 open source
Looking for something like Violentmonkey? Here are 24 alternatives, ranked by how closely they match it on purpose, features and platforms. Of these, 11 are open source.
About Violentmonkeyviolentmonkey.github.io
VisitAn open-source userscript manager, Violentmonkey adds userscript support to web browsers.
Top picks at a glance
First suggestionCustom SidebarThis userscript adds a custom sidebar to Google Search and…Open source optionScriptcatScriptCat provides a browser extension and userscript…Another optionShow Image DimensionsThis Greasy Fork userscript adds image dimensions to Google…
Quick comparison
| # | Alternative | Pricing | Open source | Platforms |
|---|---|---|---|---|
| 1 | Custom Sidebar | — | Not stated | iOS, Web |
| 2 | Show Image Dimensions | — | Not stated | iOS, Web |
| 3 | Scriptcat | — | Yes | Browser extension |
| 4 | ChromeXt | — | Yes | Android |
| 5 | Userscripts | — | Yes | — |
| 6 | CustomRightClickMenu | — | Yes | Browser extension |
| 7 | External App Button | — | Not stated | Browser extension, Web |
| 8 | Vimium | — | Not stated | Browser extension, Web |
| 9 | refined-github | — | Yes | Browser extension |
| 10 | Vimium | — | Yes | Browser extension |
All Violentmonkey alternatives
2
Show Image Dimensions
greasyfork.org/scripts/401432Also covers browser extension
This Greasy Fork userscript adds image dimensions to Google Image Search; install it with a compatible userscript manager.
3
Also covers browser extension
ScriptCat provides a browser extension and userscript manager for customizing web pages, removing ads, and automating tasks.
4
Also covers browser extension
ChromeXt adds userscript and developer tools support to Chromium-based and WebView-based browsers.
5
Also covers browser extension
Userscripts provides an open-source userscript manager for Safari, as described by its project page.
6
Also covers api and browser extension
Custom Right-Click Menu adds user-defined links, scripts, stylesheets, and submenus to a browser context menu.
7
External App Button
webextension.org/listing/external-application-…Also covers browser extension
External Application Button adds a browser toolbar button and customizable context-menu items for launching external applications.
8
Vimium
vimium.github.ioAlso covers browser extension
Vimium adds Vim-style keyboard shortcuts for navigating and controlling the web in a browser.
9
Also covers browser extension
Refined GitHub is a browser extension that simplifies GitHub’s interface and adds features.
10
Also covers browser extension
Vimium adds keyboard-based navigation and control to web browsing, using interaction patterns inspired by the Vim editor.
11
Also covers browser extension
Default Bookmark Folder lets users choose the default folder for bookmarks and adds a dedicated icon for bookmarking pages.
12
Dark Reader
darkreader.orgAlso covers browser extension
Dark Reader adds adjustable dark mode to websites across Chrome, Firefox, Safari, and Edge.
13
Also covers browser extension
View Image restores Google Images’ View Image button and is available as a Chrome extension, Firefox add-on or userscript.
14
linkding
linkding.linkAlso covers browser extension
A self-hosted bookmark manager, linkding is designed to be minimal and quick to set up.
15
ScriptCat
scriptcat.org/enAlso covers api and browser extension
Discover and share userscripts through ScriptCat, which pairs its script site with an extension compatible with Tampermonkey scripts.
16
Enhancements
cplx.appAlso covers browser extension
Complexity is a browser extension that adds model selection and other controls to Perplexity.ai.
17
Also covers browser extension
ExportCookies adds a browser action for exporting cookies to the Netscape cookies.txt format, including cookies for the current host.
18
Also covers browser extension
This browser extension adds file and folder icons to GitHub pages and Gists.
19
User Agent Switcher
webextension.org/listing/useragent-switcher.htmlAlso covers browser extension
User-Agent Switcher and Manager lets users modify the browser User-Agent string that websites use to select delivered content.
20
Streak
streak.comAlso covers browser extension
Streak adds customer relationship management tools for sales teams directly inside Gmail.
21
awesome-userscripts
github.com/awesome-scripts/awesome-userscriptsAlso covers browser extension
Awesome Userscripts is a curated list of user scripts, with the repository organized around scripts for browsers and web services.
22
Also covers browser extension
Userscript-Plus finds available user scripts and user styles for the current webpage, drawing on Greasy Fork according to its project description.
23
Get Bookmarklets
getbookmarklets.comAlso covers browser extension
The Get Bookmarklets collection lets users browse, share, and install bookmarklets and userscripts.
24
Google Hit Hider
greasyfork.org/en/scripts/1682Also covers browser extension
Google Hit Hider by Domain is a search-filtering userscript listed on Greasy Fork; the supplied page does not detail its current behavior.
No alternatives match this filter.
Alternatives to similar tools
CustomRightClickMenu24 alternativesExternal App Button24 alternativesrefined-github24 alternativesEnhancements24 alternativesUser Agent Switcher24 alternativesawesome-userscripts24 alternatives
TopicBrowser Extensions · 193 sites Best-of listBest Free Bookmark Managers for Links You Want to Find Again ListingViolentmonkey details
What is the best alternative to Violentmonkey?
Based on features, tags and platforms, the closest alternatives to Violentmonkey are Custom Sidebar, Show Image Dimensions, and Scriptcat.
Are there open-source alternatives to Violentmonkey?
Yes: Scriptcat, ChromeXt, Userscripts, and CustomRightClickMenu.
Alternatives are suggested from the purpose and features described in our listings. Different pages for the same product appear once. Read each description to check whether it fits your task. How we choose alternatives · Suggest an alternative