
Mockaroo
DataConstruct
Data Creator
Datamade
Random Data
Generate and manage synthetic datasets easily with DUMMY DATABASE
ChatGPT
Perplexity.ai
ChatPDF
Obsidian
Claude AI
Humata AI
Mindgrasp
AI-first notebook by Google, available in the U.S., blends large language models and user-chosen data. Apply for access to explore intelligent insights and enhance your note-taking experience.

Which is more popular?
Based on our record, NotebookLM seems to be more popular. It has been mentioned 11 times since March 2021.
Website, pricing, platforms and company facts side by side.
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NLM
NotebookLM
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| Website | dummydatabase.com | notebook.google.com |
| Pricing | — | |
| Platforms | — | |
| Company | Startup from Serbia · 1 - 9 employees · 2024 | — |
| 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 NotebookLM 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
Walkthroughs and reviews on video.
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Google made a new AI note app - NotebookLM 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 DUMMY DATABASE and NotebookLM.
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 NotebookLM. 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.
So I was thinking that, and just to do a bit of brainstorming, I opened Gemini. I know, most people prefer Claude these days. But for these sort of brainstorming, Gemini works well for me, especially Gemini Notebook, A.K.A NotebookLM. - Source: dev.to / 7 days ago
Gemini Notebook only generates content based on your sources and will not hallucinate or provide false or unrelated information. I cannot overemphasize the importance of this platform while following through with this certification... - Source: dev.to / about 2 months ago
You just need a few summaries occasionally. Standing up Ollama, a model, and an extraction pipeline to summarize five PDFs is overkill. If privacy isn't the constraint, a free web tool does it in seconds — ChatPDF and NotebookLM if you... - Source: dev.to / 3 months ago
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A realistic data generator to test your app
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Data generator that can create a table filled with pseudo-random content.
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Chat with any PDF! Join millions of students, researchers and professionals to instantly answer questions and understand research with AI
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