MVP.css - Minimalist stylesheet for HTML elements
Themes by Anders Norén
WordPress themes for bloggers, photographers, designers and businesses. All of them are fully featured, open source and completely free.
Compass.app
compile Compass/Sass easily without resorting to command line interface — Compass.app helps designers compile stylesheets easily without resorting to command line interface. It is written in Java and works in Windows/Linux/Mac OS X.
Compass
… is a stylesheet authoring framework that makes your stylesheets and markup easier to build and maintain. With compass, you write your stylesheets in Sass instead of CSS.
Google Font Directory
The Google Font Directory lets you browse all the fonts available via the Google Font API. All fonts in the directory are available for use on your website under an open source license and are served by Google servers.
The League of Moveable Type
the most well-made, free & open-source, @font-face ready fonts
Open Source Web Design
Download and upload free web designs.
Material Design Icons – MaterialUp
Choose your favorite colors and get your Material Design palette generated and downloadable.
Material Design Icons (Community)
View all the Material Design icons and more from the community.
Material icons - Google Design
Build beautiful, usable products faster. Material Design is an adaptable system—backed by open-source code—that helps teams build high quality digital experiences.
WebHostingHub Glyphs
Font Awesome Copy & Paste
The iconic font designed for use with Twitter Bootstrap Home → http://fortawesome.github.com/Font-Awesome/
AJAX Activity indicators | Animated GIFs designed to indicate your site is doing something
A collection of royalty-free animated GIF icons to use when your web application is loading
We just launched Radix Icons 🚀 250+ high-quality UI icons. Free and open-source. icons.modulz.app pic.twitter.com/4G7luQwapl
A crisp set of 15×15 icons designed by the Modulz team.
Iconoir
Iconoir is one of the biggest open source libraries with currently 914 SVG Icons. No premium icons, no email sign-up, no newsletters.
Developing an Open Source Icon System at Microsoft
A Q+A between our community and design leads about our new Fluent icons.
Mona Sans & Hubot Sans
Two variable, open source fonts from GitHub.
Bunny Fonts
… an open-source, privacy-first web font platform designed to put privacy back into the internet.
With a zero-tracking and no-logging policy, Bunny Fonts helps you stay fully GDPR compliant and puts your user's personal data into their own hands.