
Mockaroo
DataConstruct
Data Creator
Datamade
Random Data
Generate and manage synthetic datasets easily with DUMMY DATABASE
Which is more popular?
Based on our record, Kosmi seems to be more popular. It has been mentioned 14 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | dummydatabase.com | kosmi.io |
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| Company | Startup from Serbia · 1 - 9 employees · 2024 | 2020 |
| Listed in |
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...
Watch videos together, play games, or simply chat with friends or strangers all from within your browser! No installation or signup needed.
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
Overall verdict
Why this product is good
Recommended for
Kosmi is recommended for people who enjoy casual online social interactions, want to watch videos together, play simple games, or chat and spend time with friends and family in a virtual environment.
Walkthroughs and reviews on video.
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Anniversary ke 2 kosmi dan sekaligus pengukuhan Kosmi ke Rumah Bonsai Indonesia (RUBI)
How often each product is chosen within a category, 0–100% relative to the other.


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


We have no reviews of DUMMY DATABASE yet. Be the first one to post
There is this admin Foxiul, at first, he seemed like a pretty decent human being. But then all that changed. He got power-hungry. He started deleting messages, banning people from the lobby, destroying rooms, etc,...
kosmi is the best alternative to rabb.it without creating accout we can join chat rooms rooms
You will get a virtual hangout with friends. we don’t have to install or sign up with Kosmi. You will get the opportunity of creating a room. The room is applicable for chat or communication with webcam.
Recommendations tracked on public social media and blogs since March 2021.


Tracking DUMMY DATABASE since Aug 2025.
So if enough people comment here and are down to watch, I'm gonna be hosting the watch party on Kosmi. As I explained in the last post, Kosmi is a website to screenshare, so I'm gonna create the stream from there and we can all watch... Source: about 3 years ago
Go on sl and buy a Kosmi TV. Or just use the webpage url on any prims media. https://kosmi.io/ It basically streams any browser wondow with w/e show on it. And it's real time. We have a Kosmi TV n watch any streaming service or movies... Source: over 3 years ago
Kosmi.io worked for us so far. But I'm planning to set-up our own instance of neko (https://github.com/m1k1o/neko) to give that a shot. Both are essentially browsers hosted in the cloud. So that has the advantage, that only one streaming... Source: over 3 years ago
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