
Violentmonkey
Greasemonkey
Userscripts
Greasy Fork
Database Script Tool
Script Manager – SManager
FireMonkey
Greasemonkey compatible script manager.

Mockaroo
DataConstruct
Data Creator
Datamade
Random Data
Generate and manage synthetic datasets easily with DUMMY DATABASE

Which is more popular?
Based on our record, Tampermonkey seems to be more popular. It has been mentioned 135 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | tampermonkey.net | dummydatabase.com |
| Pricing | — | |
| Platforms | — | |
| Company | — | Startup from Serbia · 1 - 9 employees · 2024 |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of Tampermonkey yet.
Dummy Database is built to solve a simple, yet annoying problem — generating realistic test datasets quickly, without writing scripts or juggling Excel files. It’s designed for: - Developers needing dummy databases for prototyping & testing. - Analysts and BI specialists preparing demo...
What each product offers, as listed by its team.


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


Overall verdict
Why this product is good
Recommended for
Tampermonkey is recommended for developers, tech enthusiasts, and users who wish to customize their web browsing experience. It's especially useful for individuals who frequently use specific websites and want to automate repetitive tasks or add new functionalities that are not natively supported by those sites.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
5步让你玩转chrome浏览器神级插件tampermonkey-油猴
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How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing Tampermonkey and DUMMY DATABASE.
DUMMY DATABASE's answer:
A free, all-in-one data generation platform that builds everything from simple tables to full relational databases with advanced controls, unique event sequences, ERD visualization, built-in SQL querying, and multiple export formats — no limits, no paywalls.
DUMMY DATABASE's answer:
Unlike other data generators, DUMMY DATABASE gives you full relational database creation, unique event simulations, advanced control over every field, built-in SQL querying, and generous free limits — so you can go from idea to test-ready data without restrictions, subscriptions, or hidden fees
DUMMY DATABASE's answer:
DUMMY DATABASE's answer:
Began as a project for myself to be able to have custom datasets for testing purpose I've decided that it could be useful for wider audience and finalized it as a full-stack web project
DUMMY DATABASE's answer:
Python, Flask, HTML, CSS, Bootstrap, Redis, PostgreSQL, JavaScript
Share your experience with using Tampermonkey and DUMMY DATABASE. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


// ==UserScript== // @name ChatGPT Firefox Input Focus Fix // @namespace http://tampermonkey.net/ // @version 1.0 // @description Fixes lost first keystroke in ChatGPT input on Firefox by focusing and clicking the... - Source: dev.to / over 1 year ago
// ==UserScript== // @name Hide Expanding Menu Bar // @namespace http://tampermonkey.net/ // @version 0.1 // @require https://code.jquery.com/jquery-3.6.0.min.js // @description Hides Zillow auto-expanding menu //... - Source: dev.to / over 1 year ago
// ==UserScript== // @name Remove data-dark-theme attributes // @namespace http://tampermonkey.net/ // @version 2024-06-23 // @description Remove data-dark-theme attributes from GitHub Actions console // @author ... - Source: dev.to / over 2 years ago
Tracking DUMMY DATABASE since Aug 2025.
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Data generator that can create a table filled with pseudo-random content.
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