A nice collection of the best design practices.

Checklist Design

A screenshot app for Mac that allows you to zoom in, measure things, and pick colors.

shotr

A website to create a catchy animated GIF from images.

A simple generator for WebGL experiments.

A Semantic, Accessible, and Responsive solution to create TabPanel and Accordion Widgets.

A generator to create beautiful looking social images for your open-source packages.

An article about lazy-load non-critical resources when a user interacts with UI requiring it.

A trick to style your readme files using CSS.

An article on how to make icon links accessible.