Software Alternatives, Accelerators & Startups

Greasemonkey Port

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 Sundstrรถm.

Greasemonkey Port

Greasemonkey Port Alternatives & Competitors

The best Greasemonkey Port alternatives based on verified products, community votes, reviews and other factors.
Latest update:

  1. Customize the way a web page displays or behaves, by using small bits of JavaScript.

    Key Greasemonkey features:

    Customization User Community Open Source Cross-Platform Compatibility

    Open Source

    /greasemonkey-alternatives
  2. Violentmonkey is a userscript manager to support running userscripts in web pages.

    Key Violentmonkey features:

    Free and Open Source Active Development Cross-Browser Support User Script Manager

    Open Source

    /violentmonkey-alternatives
  3. Flagsmith lets you manage feature flags and remote config across web, mobile and server side applications. Deliver true Continuous Integration. Get builds out faster. Control who has access to new features. We're Open Source.

    Key Flagsmith features:

    Feature Flags Remote Config A/B/X Testing & Optimization Organization Management

    Try for free Open Source freemium

    Try for free
  4. Greasemonkey compatible script manager.

    Key Tampermonkey features:

    User-Friendly Interface Cross-Browser Support Sync Capabilities Wide Range of Scripts

    /tampermonkey-alternatives
  5. An open-source userscript editor for Safari.

    Key Userscripts features:

    Customization Enhanced Productivity Open Source Nature Community Support

    /userscripts-alternatives
  6. Scratching my own itch, you probably donโ€™t need this. 2x https://andadinosaur.com/rails/active_storage/blobs/redirect/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaHBBWDQ9IiwiZXhwIjpudWxsLCJwdXIiOiJibG9iX2lkIn1...

    Key Makeover - Custom CSS features:

    Customization User-Friendly Non-Intrusive Creative Control

    /makeover-custom-css-alternatives
  7. Customize the web with JavaScript or CSS.

    Key Launchlet features:

    Ease of Use Integration Capabilities Scalability Rapid Deployment

    /launchlet-alternatives
  8. Super Lightweight User Script and Style Manager.

    Key FireMonkey features:

    Customization Integration Resource Efficiency Security

    /firemonkey-alternatives
  9. Unleash is an open-source feature management platform. We are private, secure, and ready for the most complex setups out of the box.

    Key Unleash features:

    Flexibility Open Source Multiple Environment Support Strong Community

    Open Source freemium $75.0 / Monthly ("Enterprise Pay-as-you-go", "5 users")

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

    Open Source

    /frida-alternatives
  11. Modify requests, inject JavaScript and CSS into pages.

    Key Man in the Middle features:

    Educational Value Network Testing

    /man-in-the-middle-alternatives
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