Dev tools · alternatives · 2026

24 alternatives to Primer

The CSS toolkit and guidelines that power GitHub.

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Primer launched in 2015; newer entries below may have overtaken it.

1. 1
   hack.css▲174

   The CSS framework for hackers

   2016 · hackcss.com · its alternatives →

2. 2
   I decided to document and share my high-level CSS best practices▲223

   2012 · github.com · its alternatives →

3. 3
   Frankly▲101

   A dashboard of issues and PRs across GitHub repositories.

   2016 · github.com · its alternatives →

4. 4
   Github▲216

   Build software better, together.

   2014 · github.com · its alternatives →

5. 5
   RawGit▲88

   Use .css, .js and other files directly from GitHub

   2014 · its alternatives →

6. 6
   Blueprint▲203

   A React UI toolkit for the web

   2016 · blueprintjs.com · its alternatives →

7. 7
   CSS Triggers▲80

   A game of layout, paint and composite

   2014 · csstriggers.com · its alternatives →

8. 8
   Picnic CSS▲131

   A beautiful CSS library to kickstart your projects

   2016 · picnicss.com · its alternatives →

9. 9
   Pesticide▲65

   Faster CSS layout debugging

   2014 · its alternatives →

10. 10
    Core CSS: Part I▲6

    First steps in CSS

    2016 · dzone.com · its alternatives →

11. 11
    Less 2.0▲96

    CSS pre-processor makes CSS more maintainable & extendable

    2014 · lesscss.org · its alternatives →

12. 12
    Sweet Themes▲99

    Color Themes for Slack

    2015 · sweetthemesaremadeofthe.se · its alternatives →

13. 13
    Pagekit 1.0▲137

    A modular and lightweight open source CMS

    2016 · its alternatives →

14. 14
    ReactCSS▲121

    The way CSS in React should be

    2015 · its alternatives →

15. 15
    CODY▲136

    Free library of HTML, CSS, & JS nuggets

    2014 · codyhouse.co · its alternatives →

16. 16
    BareKit▲65

    Wonderfully naked Front-End Project Starter

    2014 · a2labs.github.io · its alternatives →

17. 17
    Limitless▲90

    A productivity companion for Chrome

    2013 · chromewebstore.google.com · its alternatives →

18. 18
    Stylish▲109

    Restyle the web with custom CSS

    2015 · chromewebstore.google.com · its alternatives →

19. 19
    ctr▲5

    The CSS Framework

    2017 · ctr-lang.com · its alternatives →

20. 20
    Picnic CSS▲95

    a lightweight Bootstrap alternative

    2014 · picnicss.com · its alternatives →

21. 21
    Layout - No One's Trying to Make a Shitty Website▲67

    How to work and collaborate with developers

    2016 · layout.fm · its alternatives →

22. 22
    Stylestats▲59

    A Node.js library to collect CSS statistics

    2014 · stylestats.org · its alternatives →

23. 23
    Troubleshooting CSS▲83

    Learn how to fix most CSS bugs in under 60 seconds

    2014 · its alternatives →

24. 24
    Hyper▲14

    JS/HTML/CSS Terminal

    2016 · 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 →