Generate Data
Faker
DataConstruct
Beeceptor
Fake Data
ExtendsClass JSON Generator
Smock-it
A realistic data generator to test your app

Hoxhunt
Knowbe4
Gophish
CyberHoot
Proofpoint
KnowBe4 Phishing Security Test
PhishingBox
Run the deception yourself: internal phishing simulations that train employees at the moment they click, and generate audit evidence for ISO 27001, SOC 2, NIS2, DORA, PCI DSS and HIPAA.

Which is more popular?
Based on our record, Mockaroo seems to be a lot more popular than Fallax. While we know about 27 links to Mockaroo, we've tracked only 1 mention of Fallax.
Website, pricing, platforms and company facts side by side.
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Mockaroo
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| Website | mockaroo.com | fallax.io |
| Pricing | ||
| Company | — | Startup from Belgium · 1 - 9 employees · 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.

No description of Mockaroo yet.
Fallax runs realistic phishing simulations against your own team, delivered straight into Microsoft 365 and Google Workspace mailboxes. When someone clicks, they get a short lesson at that exact moment, not a training course three weeks later. Every send, click and completion lands in an evidence...
What each product offers, as listed by its team.

Possible disadvantages
Walkthroughs and reviews on video.
Best Free Sample Data Generator - Mockaroo.com
More videos
Phishing training on autopilot, that proves it ran - Fallax
How often each product is chosen within a category, 0–100% relative to the other.

Share your experience with using Mockaroo and Fallax. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.

If you give it the rules to generate something, why can't it generate it? That's what something like Mockaroo[0] does. It's just more formal. That's pretty much what LLM training does, extracting patterns from a huge corpus of text. Then... - Source: Hacker News / over 1 year ago
A quick way to test this out is to use a tool like Mockaroo to generate some test data and then have a Glue Crawler analyse the data in S3 and create the required data catalog entries. - Source: dev.to / over 2 years ago
Mockaroo — Mockaroo lets you generate realistic test data in CSV, JSON, SQL, and Excel formats. You can also create mocks for back-end API. - Source: dev.to / over 2 years ago
Working on Fallax (https://fallax.io), phishing simulations for companies. The difference with most tools is we don't send the mails, we inject them directly in the mailbox via the Microsoft 365 or Google Workspace API. So no... - Source: Hacker News / about 1 month ago
When comparing Mockaroo and Fallax, you can also consider the following products.

GenerateData.com: free, GNU-licensed, random custom data generator for testing software
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KnowBe4 provides Security Awareness Training to help you manage the IT security problems of social engineering, spear-phishing & ransomware.
Compare Knowbe4 to Mockaroo or Fallax:

Gophish is an open-source phishing toolkit designed for businesses and penetration testers. It provides the ability to quickly and easily setup and execute phishing engagements and security awareness training.
Compare Gophish to Mockaroo or Fallax: