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Mockaroo
Grafana
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Feedly
Parseur.com
SimilarWeb
Crayon
Seven data tools, one account. Realistic test data, logs into tables, explained anomalies, structured news, market context, live boards from databases, sockets, logs, and buckets, plus lead search with confirmed comments. Free, no card.
Which is more popular?
Website, pricing, platforms and company facts side by side.
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|---|---|---|
| Website | github.surf | demetra.it.com |
| Pricing | ||
| Company | — | 1 - 9 employees · 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of GitHub Surf yet.
Demetra is seven data tools on one account, one login, and one invoice. Generator builds synthetic data for a whole application, not one pretty table. Define fields, blanks, and rules, or start from a SaaS billing or e-commerce template. Lock a seed and the same sample comes back every time....
What each product offers, as listed by its team.


Possible disadvantages
No features have been listed yet.
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
No analysis of Demetra.it.com yet.
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing GitHub Surf and Demetra.it.com.
Demetra.it.com's answer:
Demetra is seven data tools on one account, and the output of one is the input of the next. Generate a realistic dataset, parse a messy log into a table in the browser, see which rows look off and why, collect headlines as structured fields, read those alongside prices as a research signal, pin live numbers from a database, socket, log, or cloud bucket, and draft a comment that is not posted until you confirm it. Competitors usually sell one of those jobs. Demetra sells the path, with one login and one invoice.
Demetra.it.com's answer:
Choose Demetra when you are tired of a different subscription for test data, another for logs, another for a dashboard, and another for news. A locked seed gives you the same sample every time, including through a mock API. Log parsing stays in the browser until you ask for help. Anomalies come with an explanation, not a bare score. The market view shows how it was built, and it is research context, not a broker. Scout will not post for you. Free is enough to try it, with no card. Pro is $49 a month and Business is $129.
Demetra.it.com's answer:
Developers, analysts, and small teams who already have the raw material and need it usable: a schema to fill, a log to read, a CSV that looks wrong, a feed to query, a board to watch, or a conversation to answer carefully. It fits people who want one account across those jobs, not an enterprise suite and not a single-purpose tool.
Demetra.it.com's answer:
Demetra started as a family of data products at demetra.it.com, each with its own job and its own address. Synthetic data, log conversion, explained anomalies, collected feeds, inspectable market signals, live boards, and confirmed comments. The point was to cover that path without opaque scores or a new tool for every step, and to keep plans and billing on one account. The free plan is there so you can try it on a file you were already dreading.
Demetra.it.com's answer:
The web apps are React and TypeScript, built with Vite. The APIs are Python with FastAPI, running on AWS Lambda. Accounts use Amazon Cognito. Product data lives in DynamoDB and Amazon S3. AI explanations and Scout drafts use Amazon Bedrock. The mobile app is React Native with Expo.
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