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



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



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




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.



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.




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!.








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.




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


Save videos on YouTube, Vimeo and other websites in a few clicks! Share any webpage's content to Twitter, Facebook the same easy way... and much more!


