
Mitaka
WorldWide Telescope
Orbital
Solar Model
Space Engine
Cosmonium
Sky Guide
OpenSpace is open source interactive data visualization software designed to visualize the entire known universe and portray our ongoing efforts to investigate the cosmos.

Mockaroo
DataConstruct
Data Creator
Datamade
Random Data
Generate and manage synthetic datasets easily with DUMMY DATABASE
Which is more popular?
Website, pricing, platforms and company facts side by side.
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|---|---|---|
| Website | openspaceproject.com | 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 OpenSpace 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.


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


As answered by people managing OpenSpace 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
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When comparing OpenSpace and DUMMY DATABASE, you can also consider the following products.
Mitaka is software for visualizing the known Universe with up-to-date observational data and...
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A realistic data generator to test your app
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The WorldWide Telescope (WWT) is a Web 2.
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Orbital is an Arcade, Puzzle and Single-player video game created by Bitforge Ltd.
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Data generator that can create a table filled with pseudo-random content.
Compare Data Creator to OpenSpace or DUMMY DATABASE: