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

LALAL.AI
Moises
VocalRemover.org
PhonicMind
Splitter.ai
Acapella Extractor
AudioStrip
Isolate vocals from any song using AI by Deezer

Which is more popular?
Based on our record, Spleeter 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 | dummydatabase.com | github.com |
| Pricing | — | |
| Platforms | — | |
| Company | Startup from Serbia · 1 - 9 employees · 2024 | Startup from France |
| 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...
No description of Spleeter 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
Overall verdict
Why this product is good
Recommended for
Musicians, audio engineers, producers, and sound designers who require efficient audio separation for remixes, practice, or analysis purposes.
Walkthroughs and reviews on video.
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SPLEETER VS IZOTOPE RX7 (Which is the best DIY acapella tool?)
More videos
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing DUMMY DATABASE and Spleeter.
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 Spleeter. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


Tracking DUMMY DATABASE since Aug 2025.
The category of tools leveraging AI for stem separation works best when you treat them like a utility, not a creative oracle. They are sophisticated pattern recognition systems, not mind-readers. I learned this the hard way. On one... - Source: dev.to / 9 months ago
Either creating stems from karaoke multitracks (e.g. [0]) or using Spleeter [1] 5-stem mode, probably [0] https://www.karaoke-version.com/ [1] https://github.com/deezer/spleeter. - Source: Hacker News / over 1 year ago
Absolutely wonderful! > "We obtain these times from MIDI files, though in the future I’d like to explore more automated ways of extracting them from audio." Same here. In case it helps: I suspect a suitable option is (python libs)... - Source: Hacker News / about 2 years ago
When comparing DUMMY DATABASE and Spleeter, you can also consider the following products.
A realistic data generator to test your app
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The #1 vocal remover, now a full audio toolkit — separate stems, clean up voice recordings, change and clone voices, all in one place.
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Separate audio tracks using state-of-the-art AI algorithm
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Data generator that can create a table filled with pseudo-random content.
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Vocal Remover and Isolation. Separate voice from music out of a song free with powerful AI algorithms
Compare VocalRemover.org to DUMMY DATABASE or Spleeter: