Dev tools · alternatives · 2026

24 alternatives to DataSetFast

Generate your datasets in seconds, focus on what matters.

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.

1. 1
   Mock API Generator▲555

   Generate custom data & API to build apps in less than 30s

   2021 · retool.com · its alternatives →

2. 21R
   1M rows/s from Postgres to Python▲296

   2016 · magic.io · its alternatives →

3. 31S
   1M Song Dataset dev in 10 mins▲77

   2011 · mortardata.com · its alternatives →

4. 4
   Visuals▲109

   Upload your data and let AI generate charts in seconds

   2025 · its alternatives →

5. 5
   DATA-Generator▲3

   Generate realistic data in seconds for free.

   2024 · its alternatives →

6. 6
   Estuary Flow▲225

   Connect your data, where you want it, in milliseconds

   2023 · estuary.dev · its alternatives →

7. 7
   GraphFast▲266

   The fastest way to create beautiful line graphs

   2025 · its alternatives →

8. 8
   Spawn▲67

   500GB+ database copies for dev and CI in under 30 seconds

   2021 · its alternatives →

9. 9
   DataSquirrel.ai▲268

   Fastest way: csv/xls to dashboard report, no ChatGPT upload

   2023 · datasquirrel.ai · its alternatives →

10. 10
    We built the fastest spreadsheet▲274

    Row Zero is the best spreadsheet for big data. Build secure spreadsheets connected to your data warehouse with a bigger, faster Excel alternative in the cloud.

    2024 · rowzero.io · its alternatives →

11. 11
    GoMask.ai▲96

    Describe the dataset you need in plain English. Data Factory drafts the schema, keeps your correlations and generates up to a million rows. 1,000 free.

    Oct 2025 · gomask.ai · its alternatives →

12. 12ID
    Instant Datasets: Production data for development▲13

    Hello, Hacker News! I'm Erik, cofounder of Release (YCW20). At Release we help “virtualize” your environment, so you can quickly reproduce it for various purposes: remote development, testing, staging, or even running production. But, today I would like to introduce our most popular feature that we are now offering for free: Instant Datasets! Instant Datasets allows you to easily create multiple pools of datasets and distribute them to your teams and it cleans up after itself. Imagine you have multiple production databases in RDS and you need that data when doing testing and development. I…

    2023 · its alternatives →

13. 13
    ipsumdb▲68

    A generator of structured data in large quantity

    2023 · its alternatives →

14. 14
    Provide a CSV and a target field, generate a model and code to run it▲172

    Provide an input CSV and a target field to predict, generate a model + code to run it. - minimaxir/automl-gs

    2019 · github.com · its alternatives →

15. 15
    Row Zero▲129

    The fastest spreadsheet

    2024 · rowzero.io · its alternatives →

16. 16
    InstaCharts▲212

    Create charts from your data instantly

    2024 · instacharts.io · its alternatives →

17. 17
    Excel Datasets Generator▲10

    Free excel datasets for practice

    2025 · expireddomains.com · its alternatives →

18. 18
    Dataherald▲83

    The easiest data visualization tool you've every seen

    2022 · its alternatives →

19. 19
    Gigadata▲66

    Big Data accessible via simple API in JSON or CSV

    2021 · its alternatives →

20. 20
    Datalink▲118

    Populate your design layers with realistic data

    2025 · figma.com · its alternatives →

21. 21
    Supermetrics for Excel▲101

    The ultimate tool for automated marketing reporting in Excel

    2019 · supermetrics.com · its alternatives →

22. 22
    GenTable AI▲4

    AI tool to generate CSV, JSON & SQL-ready data

    Feb 2026 · gentable-ai.vercel.app · its alternatives →

23. 23QG
    Quickly generate REST API (for Postgres db)▲70

    2019 · its alternatives →

24. 24GT
    Generate test data for your database tables▲57

    2013 · databasetestdata.com · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →