Man in the Middle AlternativesOnly apps categorised as Userscript Managers

The best Userscript Manager alternative to Man in the Middle is Greasemonkey, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 10 alternatives to Man in the Middle and five of them are Userscript Managers so hopefully you can find a suitable replacement. Other interesting Userscript Manager alternatives to Man in the Middle are Violentmonkey, Tampermonkey, Makeover - Custom CSS and Greasemonkey Port.

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Man in the Middle alternatives are mainly Userscript Managers but may also be User Styles Managers or Privacy Tools.  Filter by these or use the filter bar below if you want a narrower list of alternatives or looking for a specific functionality of Man in the Middle.
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Modify requests, inject JavaScript and CSS into pages.

More about Man in the Middle
Man in the Middle alternatives page was last updated Aug 23, 2023
  1. Greasemonkey icon
     393 likes

    Greasemonkey is a Firefox extension that allows you to customize the way webpages look and function.

    12 Greasemonkey alternatives
    Greasemonkey screenshot 1

    License model

    • FreeOpen Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Mozilla Firefox

    Greasemonkey Features

    1.  Safari extension
    2.  Windows To Go
    Greasemonkey iconMan in the Middle Icon

    Greasemonkey VS Man in the Middle

    Is Greasemonkey a good alternative to Man in the Middle?
     
    • Greasemonkey is the most popular Windows, Mac & Linux alternative to Man in the Middle.

    • Greasemonkey is the most popular Open Source & free alternative to Man in the Middle.

    • Greasemonkey is Free and Open SourceMan in the Middle is also Free and Open Source
  2. Violentmonkey icon
     68 likes

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

    13 Violentmonkey alternatives
    Popup menu

    License model

    • FreeOpen Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Microsoft Edge
    • Google Chrome
    • Mozilla Firefox

    Properties

    1.  Lightweight

    Features

    1.  Browser extension
    2.  Cloud Sync
    3.  Opera extension
    Violentmonkey iconMan in the Middle Icon

    Violentmonkey VS Man in the Middle

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  3. Tampermonkey icon
     125 likes

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

    13 Tampermonkey alternatives
    Tampermonkey screenshot 1

    License model

    • FreeProprietary

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • Microsoft Edge
    • Google Chrome
    • Opera
    • Chromium
    • Firefox

    Tampermonkey Features

    1.  Custom Scripts
    2.  Internet Explorer extension
    3.  Brave shield
    4.  Microsoft Edge extension
    Tampermonkey iconMan in the Middle Icon

    Tampermonkey VS Man in the Middle

    Is Tampermonkey a good alternative to Man in the Middle?
     
    • Tampermonkey is the most popular Android alternative to Man in the Middle.

    • Tampermonkey is Free and ProprietaryMan in the Middle is Free and Open Source
  4. Makeover - Custom CSS icon
     2 likes

    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.

    12 Makeover - Custom CSS alternatives
    Makeover - Custom CSS screenshot 1

    License model

    • FreeOpen Source

    Application type

    Platforms

    • iPhone
    • iPad

    Makeover - Custom CSS Features

    1.  Safari extension
    Makeover - Custom CSS iconMan in the Middle Icon

    Makeover - Custom CSS VS Man in the Middle

    Is this a good alternative to Man in the Middle?
     
  5. Greasemonkey Port icon
     Like this app

    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
    Greasemonkey Port screenshot 1

    License model

    • FreeOpen Source

    Application type

    Platforms

    • SeaMonkey
    Greasemonkey Port iconMan in the Middle Icon

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5 of 5 Man in the Middle alternatives