The Best Greasemonkey AlternativesTop Userscript Managers and other similar apps like Greasemonkey

Greasemonkey is described as 'Firefox extension that allows you to customize the way webpages look and function' and is a very popular userscript manager in the web browsers category. There are more than 10 alternatives to Greasemonkey for a variety of platforms, including Mac, Mozilla Firefox, Windows, Linux and Google Chrome apps. The best Greasemonkey alternative is Violentmonkey, which is both free and Open Source. Other great apps like Greasemonkey are Tampermonkey, FireMonkey, Launchlet and Greasemonkey Port.

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Alternatives list

  1. Violentmonkey icon

    Violentmonkey

     80 likes
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    Violentmonkey provides userscript support for Chrome, Opera, Maxthon and Firefox supporting most scripts for Greasemonkey and Tampermonkey.

    12 Violentmonkey alternatives

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Microsoft Edge
    • Google Chrome
    • Mozilla Firefox
    Popup menu
     
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    Comments about Violentmonkey as an Alternative to Greasemonkey
    Guest
    Positive
    7

    Open source, supports many browsers.

    Review by a new / low-activity user.
    Greasemonkey Icon
    Violentmonkey icon

    • Almost everyone thinks Violentmonkey is a great Greasemonkey alternative.

    • Violentmonkey is the most popular Open Source & free alternative to Greasemonkey.

    • Violentmonkey is Free and Open SourceGreasemonkey is also Free and Open Source
    • Violentmonkey is LightweightGreasemonkey is not according to our users
  2. Tampermonkey icon

    Tampermonkey

     132 likes
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    Tampermonkey is a free browser extension and the most popular userscript manager for Blink- and WebKit-based Browsers like Chrome, Opera Next and Safari.

    11 Tampermonkey alternatives

    Cost / License

    • Free
    • Proprietary

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • Microsoft Edge
    • Google Chrome
    • Opera
    • Chromium
    • Firefox
    Tampermonkey screenshot 1
     
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    • Almost everyone thinks Tampermonkey is a great Greasemonkey alternative.

    • Tampermonkey is the most popular Windows, Android, Mac & Linux alternative to Greasemonkey.

    • Tampermonkey is Free and ProprietaryGreasemonkey is Free and Open Source
  4. FireMonkey icon

    FireMonkey

     6 likes
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    Firemonkey is a totally new combined user-Scripts and user-Style manager. While it has similar functions to other user-Script managers like GreaseMonkey/Tampermonkey/Violentmonkey, and user-CSS managers like Stylish/Stylus/xStyle, there are also differences.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • Firefox
    FireMonkey screenshot 1
     
  5. Launchlet icon

    Launchlet

     1 like
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    Customize the web with JavaScript or CSS.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Online
    • RemoteStorage
    Launchlet screenshot 1
     

    • Launchlet is the most popular Web-based alternative to Greasemonkey.

    • Launchlet is Free and Open SourceGreasemonkey is also Free and Open Source
    • Launchlet is Privacy focusedGreasemonkey is not according to our users
  6. Greasemonkey Port icon

    Greasemonkey Port

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    Greasemonkey Port is a userscript manager for SeaMonkey, originally written by Aaron Boodman and currently SeaMonkey front-end maintained by Marti, Ratty and/or Farby with some backend support from Anthony Lieuallen and Johan Sundström.

    12 Greasemonkey Port alternatives

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • SeaMonkey
    Greasemonkey Port screenshot 1
     
  7. Makeover - Custom CSS icon

    Makeover - Custom CSS

     2 likes
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    Makeover lets you change the appearance and behavior of web pages with CSS and JavaScript. To use it, you go to a web page you want to customize, tap the Makeover icon, and paste the code into the text field.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • iPhone
    • iPad
    Makeover - Custom CSS screenshot 1
     

    • Makeover - Custom CSS is the most popular iPhone & iPad alternative to Greasemonkey.

    • Makeover - Custom CSS is Free and Open SourceGreasemonkey is also Free and Open Source
  10. Powerlet icon

    Powerlet

     2 likes
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    Quickly find and run your bookmarklets.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Online
    • Chrome OS
    • Google Chrome
    • Firefox
    Powerlet screenshot 1
     
  11. Macaque icon

    Macaque

     1 like
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    Macaque is a UserScript Manager Browser Extension. Macaque provides you the ability to add, edit, remotely edit, as well as view the console logs for each UserScript!.

    Cost / License

    • Pay once
    • Proprietary

    Application type

    Platforms

    • Mac
    • iPhone
    • iPad
    Macaque screenshot 1
     

    • Macaque is the most popular commercial alternative to Greasemonkey.

    • Macaque is Paid and ProprietaryGreasemonkey is Free and Open Source
  12. Man in the Middle icon

    Man in the Middle

     4 likes
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    Modify requests, inject JavaScript and CSS into pages.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • UC Browser
    • CentBrowser
    • Google Chrome
    • Yandex.Browser
    • Opera
    • Chromium
    • Firefox
    Use Blocking Rules to block or redirect requests.
     
  13. Frida icon

    Frida

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    Frida is a free open-source dynamic instrumentation toolkit for developers, reverse engineers, and security researchers created and supported by NowSecure researchers.

    12 Frida alternatives

    Cost / License

    • Free
    • Proprietary

    Platforms

    • Self-Hosted
    • Python
    • Node.JS
    • npm
    Frida screenshot 1
     

    • Frida is the most popular Self-Hosted alternative to Greasemonkey.

    • Frida is Free and ProprietaryGreasemonkey is Free and Open Source
  14. Dwarf Debugger icon

    Dwarf Debugger

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    Full featured multi arch/os debugger. The purpose of Dwarf is to simplify tasks while doing reverse engineering, cracking and security analysis on a process running on a mobile phone running either Android or iOS.

    Cost / License

    • Free
    • Open Source

    Platforms

    • Windows
    • Linux
    Dwarf Debugger screenshot 1
     
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