Life & fun · alternatives · 2026

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Bootstrap Validator launched in 2014; newer entries below may have overtaken it.

1. 1SW
   site-wide HTML5 and CSS3 validator▲5

   2012 · markupvalidator.com · its alternatives →

2. 2
   Validate Forms with validate.js Tutorial▲8

   Validation for the latest Bootstrap 5 forms. Ensure that inputs are filled with a properly formatted value. Works with login, registration, and contact forms.

   2019 · mdbootstrap.com · its alternatives →

3. 3SU
   Some useful additional classes for Bootstrap▲5

   2015 · trumbitta.github.io · its alternatives →

4. 4VJ
   Valib.js - validation library for the browser and Node.js▲7

   2014 · sideralis.org · its alternatives →

5. 5
   Framework Validator▲5

   Verify websites built with Foundation, Bootstrap ...

   2017 · its alternatives →

6. 6FB
   Free Bootstrap Template of One Column Listing▲8

   2019 · mdbootstrap.com · its alternatives →

7. 7
   SweetAlert for Bootstrap▲116

   A beautiful replacement for JavaScript's "alert"

   2014 · lipis.github.io · its alternatives →

8. 83D
   3 Day Coder - For Bootstrappers▲8

   2013 · 3daycoder.com · its alternatives →

9. 9VJ
   validate.js - lightweight JavaScript form validation library▲102

   2011 · rickharrison.github.com · its alternatives →

10. 10
    Bootstrap IntelliSense▲72

    Simplified bootstrap development in VS code

    2023 · marketplace.visualstudio.com · its alternatives →

11. 11
    Brix▲95

    Probably the best Interface Builder for Bootstrap!

    2014 · coreui.io · its alternatives →

12. 12
    Obey JavaScript Data Validation and Modeling▲13

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

    2016 · github.com · its alternatives →

13. 13YB
    Yo Bootstrap – Centralized list of free Bootstrap 3 templates▲8

    2014 · yobootstrap.com · its alternatives →

14. 14
    Validator.dart – String validation and sanitization library for Dart▲6

    2014 · github.com · its alternatives →

15. 15SB
    Simple Bootstrap 3 Form Builder▲39

    2013 · webnotes.github.io · its alternatives →

16. 16V1
    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 →

17. 17
    bValidator▲9

    bValidator is a form validation jQuery plug-in.

    2016 · bmauser.github.io · its alternatives →

18. 18
    Structured data validator▲11

    A full-featured schema.org rich cards validation tool

    2020 · redirection.io · its alternatives →

19. 19
    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 →

20. 20
    ValiDiffer™▲2

    Spend less time onboarding data and more time using it!

    2021 · validiffer.com · its alternatives →

21. 21RV
    Rocket Validator, automated site-wide HTML validation for large sites▲6

    Rocket Validator finds Accessibility and HTML issues in your large sites, in seconds. Get your site scanned by Axe Core and W3C Validator with just one click.

    2016 · rocketvalidator.com · its alternatives →

22. 22HP
    Hand picked controls, design elements and widgets for Bootstrap▲5

    2016 · bootstrap.boutique · its alternatives →

23. 23BF
    Bootstrap Form Builder▲10

    Drag-and-drop Free Bootstrap Form Builder! Create clean HTML Form code that works with Bootstrap 3 (formerly Twitter Bootstrap). Free and no sign-up required.

    2015 · formden.com · its alternatives →

24. 24MY
    Make your own UI starter kit for Bootstrap▲8

    2018 · themestr.app · 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 →