Dev tools · alternatives · 2026

24 alternatives to sea.css

sea.css is a simple and easy to use css framework.

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. sea.css launched in 2020; newer entries below may have overtaken it.

1. 1WC
   Water.css – A just-add-css collection of styles to make websites nicer▲501

   2019 · github.com · its alternatives →

2. 2AS
   A simple, plain, minimal, classless CSS for simple, plain HTML pages▲128

   2020 · github.com · its alternatives →

3. 3BC
   Basic.css – Classless CSS Starter File▲153

   2020 · github.com · its alternatives →

4. 4AV
   A visual guide to the most popular CSS properties▲1,117

   2016 · cssreference.io · its alternatives →

5. 5PC
   Pattern.css – CSS-only library to fill empty background with patterns▲332

   2020 · github.com · its alternatives →

6. 67C
   7.css – for all Windows 7 lovers▲64

   2021 · khang-nd.github.io · its alternatives →

7. 7
   awsm.css▲173

   Simple CSS library for semantic HTML markup

   2017 · its alternatives →

8. 8CC
   Chartss.css – accessible HTML/CSS charts with markdown support▲265

   2020 · rbitr.github.io · its alternatives →

9. 9
   Tailwind CSS▲425

   A utility-first CSS framework for rapid UI development

   2017 · its alternatives →

10. 10XC
    XP.css – Windows XP CSS file and framework for building GUIs▲297

    2020 · botoxparty.github.io · its alternatives →

11. 11
    easy.css▲12

    Great-looking CSS styles that are simply easy to use!

    2021 · its alternatives →

12. 12CC
    Cs16.css – CSS library based on Counter Strike 1.6 UI▲819

    2025 · cs16.samke.me · its alternatives →

13. 13
    Shorthand CSS▲169

    Feature rich CSS framework for the new decade

    2020 · its alternatives →

14. 14
    Bamboo CSS▲101

    A classless CSS utility for your HTML

    2021 · its alternatives →

15. 15
    Wing▲247

    A dead-simple, responsive, CSS framework

    2016 · its alternatives →

16. 16
    Layer CSS▲152

    Lightweight CSS framework to build your own fluid layouts

    2015 · its alternatives →

17. 17
    Pattern.css▲197

    CSS library to fill empty background with beautiful patterns

    2020 · its alternatives →

18. 18
    Picnic CSS▲131

    A beautiful CSS library to kickstart your projects

    2016 · its alternatives →

19. 19
    System.css▲116

    A design system for building retro Apple UIs

    2022 · its alternatives →

20. 20PC
    Picnic.css, a lightweight Bootstrap alternative▲247

    I've tried to make it as light as possible. It's only tested with Firefox and Chrome, however I intend to test it in IE down to 9. What would you change? What would you add? Any feedback or pull request is greatly welcome! MIT Licensed

    2014 · picnicss.com · its alternatives →

21. 21V2
    Version 2 of concrete.css, a simple classless CSS framework▲11

    A simple and to the point classless CSS stylesheet

    2021 · concrete.style · its alternatives →

22. 22
    Simple.css - A classless CSS framework▲6

    Make semantic HTML look great, quickly.

    2022 · its alternatives →

23. 23
    TurretCSS▲12

    A Simple, Smart and Modern CSS only framework

    2017 · its alternatives →

24. 24
    Hint.css 2.0▲234

    A pure CSS tooltip library for your lovely websites.

    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 →