
Greasemonkey
Tampermonkey
Greasy Fork
Userscripts
Database Script Tool
Script Manager – SManager
FireMonkey
Violentmonkey is a userscript manager to support running userscripts in web pages.

DevTools Advanced
FullStackToolkit
DevFinanceTools
JSON Formatter & Validator
AllDevToolsHub
Boop
DeveloperTools.Tech
120 free browser-based developer utilities. No sign-up required.

Which is more popular?
Based on our record, Violentmonkey seems to be more popular. It has been mentioned 46 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | violentmonkey.github.io | devtoolstack.io |
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What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
No analysis of DeveloperToolStack yet.
Walkthroughs and reviews on video.
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How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Violentmonkey and DeveloperToolStack. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


- GPT 4o mini, so you can save your 4o calls for more complex queries https://github.com/altbdoor/userscripts/raw/master/force-gpt3.user.js. - Source: Hacker News / about 2 years ago
Since Tampermonkey seems to be misbehaving, consider using Violentmonkey. Source: almost 3 years ago
Step 1Install violentmonkey (or your favorite user script manager). Source: about 3 years ago
Tracking DeveloperToolStack since Aug 2026.
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Greasemonkey compatible script manager.
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