WeasyPrint
WeasyPrint, The Awesome Document Factory. Transform HTML and CSS into PDF documents.
css
Can I email…HTML and CSS in emails
Support tables for HTML and CSS in emails
Can I use...HTML5, CSS3
Support tables for HTML5, CSS3, etc
Tania Rascia
Software engineer and open source creator. This is my digital garden.
Health icons
Free, open source health icons. Use in your next commercial or personal project. Editing is ok. Republishing is ok. No need to give credit.
Web Interface Handbook
This is a book about the fundamentals of creating a good web interface. You will find out how to make effective forms, typography, grids, and many other components of web design.
Charts.css
CSS data visualization framework
Specificity Visualizer
A visual way to analyze the specificity of selectors in CSS.
Yellow Lab Tools - Page Speed audit
Yellow Lab Tools is a free online web performance analyzer. It audits a webpage for performance and front-end quality issues. And it's open-source!
Gradient Generator Tool
Create beautiful, smooth gradients across a wide range of hues.
blocks.css
blocks.css adds a layer of dimension to your web elements.
98.css
A design system for building faithful recreations of old UIs.