Top 13 JavaScript Flexbox Projects

Semantic UI

1 6 51,200 2.2 JavaScript

Semantic is a UI component framework based around useful principles from natural language.
InfluxDB

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InfluxDB – Built for High-Performance Time Series Workloads. InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.
flexboxfroggy

2 498 7,179 6.3 JavaScript

A game for learning CSS flexbox 🐸

Project mention: What’s Your Flex Level? 🐸💪 | dev.to | 2025-08-22

And then I stumbled upon this gem of a site — Flexbox Froggy.
split

3 8 6,236 1.0 JavaScript

Unopinionated utilities for resizeable split views
vue-multipane

4 1 602 0.0 JavaScript

Resizable split panes for Vue.js.
euismod

5 11 287 0.0 JavaScript

📝 A website that make learning CSS grid easy and interactive
pizza-time-with-react

6 1 116 8.7 JavaScript

🍕 Pizza Time: A delicious online experience. I designed and developed an e-commerce platform for this pizza restaurant, featuring an interactive menu with a variety of options including pizza, sushi, and pasta. Simplifying the online ordering process and providing a seamless user experience was the key goal of this project
Nice React Layout

7 0 69 0.0 JavaScript

Create complex and nice Flexbox-based layouts, without even knowing what flexbox means
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hangman-game

8 2 43 0.0 JavaScript

A responsive hangman game built with vanilla javascript, html, and css. Animated with GSAP and canvas animations.
flexbox-guide

9 1 39 0.0 JavaScript

⚡ A Guide for the concept of Flexbox and responsive design. Simply set the attributes as you needed and copy the CSS code. 🎉
react-flexbox-svg

10 1 8 0.0 JavaScript

Flexbox for SVG in React, using css-layout
PokedexNFF

11 1 2 10.0 JavaScript

A Pokedex REACT WEB Application.
gatsby-static-template

12 3 1 0.0 JavaScript

A starter template for a simple but flexible Gatsby site.
weather_app

13 1 1 0.0 JavaScript

Weather from Open Weather API, displayed with Pic-Animation

NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020).

JavaScript Flexbox discussion

JavaScript Flexbox related posts

What’s Your Flex Level? 🐸💪

1 project | dev.to | 22 Aug 2025
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Day 3 of Learning Web Development: My Third Day learning HTML & CSS

1 project | dev.to | 10 Jul 2025
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The Unchaining: My Personal Journey Graduating from jQuery to Modern JavaScript

4 projects | dev.to | 19 May 2025
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4 projects | dev.to | 16 Mar 2025
Anchoreum: A game for learning CSS anchor positioning

3 projects | news.ycombinator.com | 11 Feb 2025
A note from our sponsor - Sevalla
sevalla.com | 1 Sep 2025

Sevalla is the PaaS you have been looking for! Advanced deployment pipelines, usage-based pricing, preview apps, templates, human support by developers, and much more! Learn more →

Index

What are some of the best open-source Flexbox projects in JavaScript? This list will help you:

#	Project	Stars
1	Semantic UI	51,200
2	flexboxfroggy	7,179
3	split	6,236
4	vue-multipane	602
5	euismod	287
6	pizza-time-with-react	116
7	Nice React Layout	69
8	hangman-game	43
9	flexbox-guide	39
10	react-flexbox-svg	8
11	PokedexNFF	2
12	gatsby-static-template	1
13	weather_app	1