Top 12 Open-Source Alternatives to Keyframes.app

Keyframes.app

A timeline editor for CSS animations.

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Product categories

Developer Tools Design Tools CSS Framework Website Design CSS Development Tools Javascript UI Libraries Productivity Software Development Web Frameworks CSS Tools CSS Tutorials

Summary

The top open-source alternatives to Keyframes.app are bttn.css, DevDocs, and Tailwind CSS. One of the criteria for ordering this list is the number of mentions that products have on reliable external sources. You can suggest additional sources through the form here.

bttn.css Landing Page
1

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bttn.css

Awesome buttons for awesome projects!
Pricing:
- Open Source
#CSS Framework #Website Design #Developer Tools
DevDocs Landing Page
2

DevDocs

Open source API documentation browser with instant fuzzy search, offline mode, keyboard shortcuts, and more
Pricing:
- Open Source
#Productivity #Software Development #Developer Tools 132 social mentions
Tailwind CSS Landing Page
3

Tailwind CSS

A utility-first CSS framework for rapidly building custom user interfaces.
Pricing:
- Open Source
#Development Tools #CSS Framework #UI 1062 social mentions
CSS Loaders Landing Page
4

CSS Loaders

A general situation that we all might face while going through websites/apps is to wait for something to get loaded.
Pricing:
- Open Source
#Productivity #CSS Framework #Javascript UI Libraries 2 social mentions
AniCollection Landing Page
5

AniCollection

The easiest way to find, use and share CSS3 animations.
Pricing:
- Open Source
#Web Icons #Developer Tools #Web App
Bootstrap Landing Page
6

Bootstrap

Simple and flexible HTML, CSS, and JS for popular UI components and interactions
Pricing:
- Open Source
#CSS Framework #Web Frameworks #Developer Tools 370 social mentions
Hint.css Landing Page
7

Hint.css

A pure CSS tooltip library for your lovely websites.
Pricing:
- Open Source
#CSS Framework #Website Design #Developer Tools 4 social mentions
Spectre.css Landing Page
8

Spectre.css

Lightweight, responsive and modern CSS framework for faster and extensible development.
Pricing:
- Open Source
#Development Tools #CSS Framework #Developer Tools 4 social mentions
Sublime Text Landing Page
9

Sublime Text

Sublime Text is a sophisticated text editor for code, html and prose - any kind of text file. You'll love the slick user interface and extraordinary features. Fully customizable with macros, and syntax highlighting for most major languages.
Pricing:
- Open Source
#Software Development #IDE #Text Editors 3 social mentions
Tabler Landing Page
10

Tabler

Admin panel made simple
Pricing:
- Open Source
#Prototyping #Vector Icons #Developer Tools 16 social mentions
Next.js Landing Page
11

Next.js

A small framework for server-rendered universal JavaScript apps
Pricing:
- Open Source
#Static Site Generators #Javascript UI Libraries #Web Frameworks 1145 social mentions
CSS Reference Landing Page
12

CSS Reference

Sleek and comprehensive online reference for CSS
Pricing:
- Open Source
#CSS Tools #Design Tools #CSS 7 social mentions