Dev tools · alternatives · 2026

24 alternatives to A Python Libary That Simplifies Data Validation

Data validation simplified. Contribute to yaaminu/finicky development by creating an account on GitHub.

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. A Python Libary That Simplifies Data Validation launched in 2021; newer entries below may have overtaken it.

1. 1
   Taipy 3.0▲299

   Build powerful data and AI apps in pure Python

   2024 · github.com · its alternatives →

2. 2
   PySchemes – A library for validating data structures in Python▲94

   PySchemes is a library for validating data structures in python - spy16/pyschemes

   2017 · github.com · its alternatives →

3. 3
   Plait.py – a fake data modeler▲85

   plait.py - a fake data modeler . Contribute to plaitpy/plaitpy development by creating an account on GitHub.

   2018 · github.com · its alternatives →

4. 4
   Pydantic – Data validation using Python 3.6 type hinting▲120

   Documentation for the Pydantic stack. Validate data with Pydantic Validation, build production AI agents with Pydantic AI, and monitor LLM calls, agent behavior, and costs with Pydantic Logfire.

   2017 · pydantic-docs.helpmanual.io · its alternatives →

5. 5
   Koda Validate – Typesafe, combinable validation for Python▲30

   Typesafe, Composable Validation. Contribute to keithasaurus/koda-validate development by creating an account on GitHub.

   2022 · github.com · its alternatives →

6. 6
   Python library for functional programming▲129

   Python library for creating data pipelines with chain functional programming - EntilZha/PyFunctional

   2017 · github.com · its alternatives →

7. 7
   A simple lazy Python calculation engine, with spreadsheet demo▲123

   Simple Python Calculation Engine. Contribute to bsdz/calcengine development by creating an account on GitHub.

   2021 · github.com · its alternatives →

8. 8
   DataFairy▲113

   Generate real looking fake data for your tests and demos

   2018 · skillpanel.com · its alternatives →

9. 9
   Magniv▲100

   One line data science infra, Open-Source Python library

   2022 · its alternatives →

10. 10
    a small jQuery Form Validation library▲47

    Got bored of using other ones, so made my own. Contribute to jackfranklin/jQuery-Form-Validator development by creating an account on GitHub.

    2012 · github.com · its alternatives →

11. 11
    A quality checker for Python wheels▲42

    Check your wheels have the right contents. Contribute to jwodder/check-wheel-contents development by creating an account on GitHub.

    2020 · github.com · its alternatives →

12. 12
    DataCheck▲3

    CLI-first data validation. YAML config. 27+ built-in rules.

    Feb 2026 · its alternatives →

13. 13
    decube▲80

    Be the first to learn and act on data quality issues.

    2022 · decube.io · its alternatives →

14. 14V1
    Validr-1.2 – Fastest Python validation library plus powerful features▲8

    A simple, fast, extensible python library for data validation. New features: * union validator * dynamic dict validator * timedelta validator * enum validator * slug validator * fqdn validator * nested model class GitHub: https://github.com/guyskk/validr Document: https://github.com/guyskk/validr/wiki Usage: https://github.com/guyskk/validr/wiki/Scenario-&-Example

    2020 · its alternatives →

15. 15
    Validater – a python tool to validate data by schema▲5

    A simple, fast, extensible python library for data validation. - guyskk/validr

    2016 · github.com · its alternatives →

16. 16
    Appelpy – library for easier regression modelling in Python▲56

    Applied Econometrics Library for Python. Contribute to mfarragher/appelpy development by creating an account on GitHub.

    2019 · github.com · its alternatives →

17. 17
    Flupy – Data Pipelines in Python▲8

    Fluent data pipelines for python and your shell. Contribute to olirice/flupy development by creating an account on GitHub.

    2019 · github.com · its alternatives →

18. 18
    A new validation library for JavaScript (React, Backbone integration)▲8

    Validation library based on type combinators. Contribute to gcanti/tcomb-validation development by creating an account on GitHub.

    2014 · github.com · its alternatives →

19. 19
    A set of handy tools to work with sequences and collections in Python▲29

    A fancy and practical functional tools. Contribute to Suor/funcy development by creating an account on GitHub.

    2013 · github.com · its alternatives →

20. 20
    Taipy: Building data and AI apps, an alternative to Streamlit▲14

    Hello, HN community! This is the first time I’m doing a Show HN, and I'm excited to introduce the library I've been working and believing in for the last year, Taipy! This Python library was created to make building complete applications on data science and ML projects easier and so more accessible to end-users. Basically, it allows any data scientist to build a production-ready application and stop being stuck at the pilot stage. It’s all Python making having to do the job of creating and deploying the app a one to two person job instead of going for specialized developers that are…

    2024 · taipy.io · its alternatives →

21. 21
    Obey JavaScript Data Validation and Modeling▲13

    :hammer: Asynchronous JavaScript Data Modelling and Validation - psvet/obey

    2016 · github.com · its alternatives →

22. 22
    Typyn - Validation made easier & faster▲6

    Lightweight, Chainable TypeScript Validation

    Oct 2025 · typyn.pages.dev · its alternatives →

23. 23
    Libtwiddle – bit and sketches data structures▲6

    bit & sketches data structures. Contribute to fsaintjacques/libtwiddle development by creating an account on GitHub.

    2016 · github.com · its alternatives →

24. 24OS
    Open sourcing nearby.lk data models library▲15

    2016 · vpj.github.io · 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 →