Software Alternatives & Startups

Launchlet

Customize the web with JavaScript or CSS.

Launchlet

Launchlet Alternatives & Competitors

  1. 11

    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. 11

    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. Capture website screenshots, render HTML/CSS, or create templated graphics. Render images or PDFs. Use MCP with AI, no-code automation, or the REST API. No browsers needed.

    Key HTMLCSS to Image API features:

    Ease of Use Customization Efficiency Scalability

    Visit website freemium $14 / Monthly Sponsored

    Visit website
  4. 11

    Greasemonkey compatible script manager.

    Key Tampermonkey features:

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

    /tampermonkey-alternatives
  5. 9

    An open-source userscript editor for Safari.

    Key Userscripts features:

    Customization Enhanced Productivity Open Source Nature Community Support

    /userscripts-alternatives
  6. 8

    Super Lightweight User Script and Style Manager.

    Key FireMonkey features:

    Customization Integration Resource Efficiency Security

    /firemonkey-alternatives
  7. 7

    Scratching my own itch, you probably don’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
  8. 6

    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.

    /greasemonkey-port-alternatives
  9. 5

    Modify requests, inject JavaScript and CSS into pages.

    Key Man in the Middle features:

    Educational Value Network Testing

    /man-in-the-middle-alternatives
  10. 6

    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. 1

    GreaseKit is a SIMBL plugin, that adds user scripting to Safari, Mailplane, Diet Pibb.

    Key GreaseKit features:

    User Script Support Customization Open Source Integration

    /greasekit-alternatives
  12. 1

    EXPRESSIVE, DYNAMIC, ROBUST CSS.

    Key Stylus features:

    Simplified Syntax Extensive Feature Set Preprocessor Enhancements JavaScript Interoperability

    Open Source

    /stylus-alternatives
  13. 2

    Reuse data from one website on another.

    Key Site Connector features:

    Convenient URL Management Customization Options Integration with Chrome User-Friendly Interface

    /site-connector-alternatives
  14. 1

    Stay is a local userscript manager and an extension sample for Safari on iOS/iPadOS. - shenruisi/Stay.

    Key Stay - Userscripts Extension features:

    Native Safari Integration Open Source Userscript Compatibility Simple and Lightweight

    /stay-userscripts-extension-alternatives
If you think we've missed something, please suggest an alternative to Launchlet.

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