Launchlet AlternativesUserscript Managers and other similar apps like Launchlet

Launchlet is described as 'Customize the web with JavaScript or CSS' and is a userscript manager in the development category. There are more than 10 alternatives to Launchlet for a variety of platforms, including Mozilla Firefox, iPhone, iPad, Google Chrome and Microsoft Edge apps. The best Launchlet alternative is Greasemonkey, which is both free and Open Source. Other great apps like Launchlet are Violentmonkey, Stylus, Tampermonkey and Userscripts.

More about Launchlet

Get a badge for your siteLaunchlet alternatives page was last updated Jul 21, 2026

Greasemonkey
407 likes
Greasemonkey is a Firefox extension that allows you to customize the way webpages look and function.
13 Greasemonkey alternatives
Cost / License
Free
Open Source
Application type
Userscript Manager
Origin
United States
Platforms
Mozilla Firefox
Is Greasemonkey a good alternative to Launchlet?
Violentmonkey
91 likes
Violentmonkey provides userscript support for Chrome, Opera, Maxthon and Firefox supporting most scripts for Greasemonkey and Tampermonkey.
13 Violentmonkey alternatives
Cost / License
Free
Open Source (MIT)
Application type
Userscript Manager
Origin
Singapore
Platforms
Microsoft Edge
Google Chrome
Mozilla Firefox
Is Violentmonkey a good alternative to Launchlet?
Stylus
105 likes
Redesign the web with Stylus, a user styles manager.
Cost / License
Free
Open Source (GPL-3.0)
Application type
User Styles Manager
Origin
Russia
Platforms
Microsoft Edge
Google Chrome
Opera
Brave
Chromium
Mozilla Firefox
+2
Is Stylus a good alternative to Launchlet?
Tampermonkey
133 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.
12 Tampermonkey alternatives
Cost / License
Free
Proprietary
Application type
Userscript Manager
Origin
Germany
EU
Platforms
Mac
Windows
Linux
Android
Microsoft Edge
Google Chrome
Opera
Chromium
Mozilla Firefox
iPhone
iPad
Safari
+2
Is Tampermonkey a good alternative to Launchlet?
Userscripts
10 likes
An open-source userscript editor for Safari.
Cost / License
Free
Open Source (GPL-3.0)
Application type
Userscript Manager
Platforms
Mac
Safari
iPhone
iPad
Is Userscripts a good alternative to Launchlet?
Makeover - Custom CSS
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.
Cost / License
Free
Open Source
Application type
Userscript Manager
Platforms
iPhone
iPad
+1
Is this a good alternative to Launchlet?
Greasemonkey Port
1 like
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.
Cost / License
Free
Open Source
Application type
Userscript Manager
Platforms
SeaMonkey
Is Greasemonkey Port a good alternative to Launchlet?
Powerlet
2 likes
Quickly find and run your bookmarklets.
Cost / License
Free
Open Source (MIT)
Application type
Userscript Manager
Platforms
Online
Chrome OS
Google Chrome
Firefox
Is Powerlet a good alternative to Launchlet?
Macaque
1 like
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
Paid
Proprietary
Application type
Userscript Manager
Platforms
Mac
iPhone
iPad
+7
Is Macaque a good alternative to Launchlet?
Frida
Like
Frida is a free open-source dynamic instrumentation toolkit for developers, reverse engineers, and security researchers created and supported by NowSecure researchers.
Cost / License
Free
Proprietary
Platforms
Self-Hosted
Python
Node.JS
npm
Is Frida a good alternative to Launchlet?
Dwarf Debugger
Like
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 (GPL-3.0)
Platforms
Windows
Linux
Is Dwarf Debugger a good alternative to Launchlet?