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

Obsidian
Logseq
Craft Docs
Notion
Anytype.io
Tana
Capacities
All in one KnowledgeOS, Open alternative to Notion&Miro.

Which is more popular?
Based on our record, AFFiNE seems to be more popular. It has been mentioned 32 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | dummydatabase.com | affine.pro |
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| Platforms | ||
| Company | Startup from Serbia · 1 - 9 employees · 2024 | Startup from Singapore · 20 - 49 employees |
| 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 AFFiNE yet.
What each product offers, as listed by its team.


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
AFFiNE is recommended for freelancers, small-to-medium businesses, and project managers who require effective task management and team collaboration solutions. It is especially suited for organizations looking for an easy-to-use platform that can scale with their growth and adapt to various workflow requirements.
Walkthroughs and reviews on video.
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AFFiNE AI: Notion Meets Infinite Canvas!
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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 AFFiNE.
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.
AFFiNE's answer:
AFFiNE is unique because it combines flexibility with strong privacy protections, making it ideal for users who value both control over their workspace and data security. The platform’s canvas feature allows for a highly customizable layout, enabling users to visually organize information in a free-form, drag-and-drop manner. This flexibility supports diverse workflows, from brainstorming and project planning to note-taking and task management, making AFFiNE a versatile tool adaptable to personal and professional needs.
What sets AFFiNE apart even further is its commitment to privacy with a local-first approach. This means data is stored locally on users’ devices, safeguarding sensitive information and ensuring full offline access. As an open-source platform, AFFiNE also invites community contributions and customization, allowing users to shape the tool to fit their specific requirements. This blend of privacy, flexibility, and user-driven development creates a truly unique productivity solution.
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 AFFiNE. 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
AFFiNE is an innovative and comprehensive free daily planner app designed to help you organize, manage, and collaborate on tasks, projects, and information. As a next-generation knowledge base, AFFiNE combines the...
One of the standout features of AFFiNE is its ability to seamlessly switch between paper mode and whiteboard mode (Page and Edgeless), making it a versatile tool for brainstorming, planning, and collaboration. AFFiNE...
One of the standout features of AFFiNE is its ability to seamlessly switch between paper mode and whiteboard mode (Page and Edgeless), making it a versatile tool for brainstorming, planning, and collaboration. In...
Recommendations tracked on public social media and blogs since March 2021.


Tracking DUMMY DATABASE since Aug 2025.
I'd say Affine or Obsidian. Obsidian is built on-top of just markdown files, so you can do whatever you want with them. E.g. If you need multiplayer editing you could use 3rd party solutions or even something like HedgeDoc. Affine is... - Source: Hacker News / 6 months ago
I wrote a more detailed comparison of Notion vs Obsidian here: https://bryanhogan.com/blog/notion-obsidian-comparison I kinda dislike where Notion is heading though, forcing more and more things on their users without any ways to disable... - Source: Hacker News / 6 months ago
AFFiNE is a workspace that merges docs, whiteboards, and databases into one tool. The editor supports block-based writing similar to Notion, but adds an infinite canvas (whiteboard) mode where blocks can be freely positioned. It's built... - Source: dev.to / 8 months ago
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A second brain, for you, forever. Obsidian is a powerful knowledge base that works on top of a local folder of plain text Markdown files.
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Data generator that can create a table filled with pseudo-random content.
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