Dev tools · alternatives · 2026

24 alternatives to Flexitive

HTML5 Responsive Design Tool

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Flexitive launched in 2016; newer entries below may have overtaken it.

1. 1
   Responsive View▲216

   Test your responsive design across different devices

   2016 · responsiv.eu · its alternatives →

2. 2
   Webflow Flexbox UI Builder▲444

   Build flexible, responsive layouts - without writing code

   2016 · flexbox.webflow.com · its alternatives →

3. 3
   Responsively▲458

   Develop responsive web-apps 5x faster

   2020 · responsively.app · its alternatives →

4. 4
   Flex▲325

   Flexbox's are a pain to write, Flex makes it easy.

   2019 · its alternatives →

5. 5
   Pixelarity▲123

   Spectacular responsive site templates

   2015 · pixelarity.com · its alternatives →

6. 6
   Responsive Design Checker▲173

   Check how responsive is your website across device sizes

   2018 · its alternatives →

7. 7
   FlexboxPatterns▲374

   Build awesome user interfaces with CSS flexbox

   2016 · flexboxpatterns.com · its alternatives →

8. 8
   Simple Grid▲229

   Responsive & lightweight CSS grid for your website.

   2016 · simplegrid.io · its alternatives →

9. 9
   Dimensions Toolkit▲104

   Chrome Extension for designers to test responsive websites.

   2014 · its alternatives →

10. 10
    Ink▲241

    Create responsive HTML emails that work on any device/client

    2014 · zurb.com · its alternatives →

11. 11
    Website Template Bar▲126

    Meta search for website templates & themes

    2016 · websitetemplatebar.com · its alternatives →

12. 12
    Responsive Email▲180

    A collection of patterns & modules for responsive emails

    2014 · its alternatives →

13. 13
    Material Design for Bootstrap and WordPress▲101

    Fully responsive and compatible with different browsers

    2016 · poprad.cc · its alternatives →

14. 14
    CodePen▲109

    HTML, CSS, and JavaScript editor in the browser.

    2014 · codepen.io · its alternatives →

15. 15
    Pure▲164

    Set of small, responsive CSS modules

    2014 · pure-css.github.io · its alternatives →

16. 16
    Responsive Web Design: An Email Course▲100

    Free daily lessons to learn the basics of responsive design

    2015 · designlab.com · its alternatives →

17. 17
    UsabilitySquare▲131

    Get unbiased, instant feedback how to optimize your design.

    2015 · its alternatives →

18. 18
    Stacks▲129

    Share your favourite tools and find new ones you’ll love

    2015 · its alternatives →

19. 19
    Cycles▲179

    Visual feedback and approvals for web development

    2016 · cycleshq.com · its alternatives →

20. 20
    webdesignrepo V2▲121

    A curation of the best webdesign tools and resources

    2016 · ruto77kita.com · its alternatives →

21. 21
    Squire▲123

    The <textarea> of the future. A HTML5 rich text editor.

    2014 · neilj.github.io · its alternatives →

22. 22RP
    Responsive page designer – no grid/CSS frameworks▲49

    2013 · responsivewebcss.com · its alternatives →

23. 23
    Typo▲96

    Tune fonts for web and mobile

    2017 · apps.apple.com · its alternatives →

24. 24
    Slides▲91

    Beautiful, Responsive presentations with HTML5 (Ditch PPT)

    2014 · slides.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 →