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Generate and manage synthetic datasets easily with DUMMY DATABASE

Which is more popular?
Based on our record, Roll20 seems to be more popular. It has been mentioned 334 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | dummydatabase.com | roll20.net |
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| Company | Startup from Serbia · 1 - 9 employees · 2024 | — |
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In their own words, as submitted to SaaSHub.


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...
No description of Roll20 yet.
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
No analysis of Roll20 yet.
Walkthroughs and reviews on video.
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Roll20 Overview 2019 (Play 5th Edition Dungeons & Dragons Online)
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How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing DUMMY DATABASE and Roll20.
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 DUMMY DATABASE and Roll20. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


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As a DM for homebrew games, I used Roll20 for 2+ years. When it works, its OK. When it doesn't, its frustrating. I use a lot of custom rules and they are simply not supported due to a lack of modularity within the...
Not easy to learn, not friendly controls
These tools aide gamers during online games. Both Roll20 and the Roll20 alternatives can be best described as table-top games. Launched in 2012, Roll20 has received a lot of positive feedback.
Recommendations tracked on public social media and blogs since March 2021.


Tracking DUMMY DATABASE since Aug 2025.
There are other options: https://roll20.net/. Source: almost 3 years ago
I've used roll20.net up until now. They have a find group feature and a virtual table top with character sheets and dice roller included, so everything you need to play virtually is all on the one site. Source: almost 3 years ago
1 Year Roll20 Pro Subscription ($109 value!) – use it yourself or give it to your GM! Source: almost 3 years ago
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