JavaScript, Vue, React, Web Components, HTML, CSS, Webpack.

Svelte, Elm

Grido, a flexbox grid made between Star Wars Rebels and A New Hope (Han shot first!) - https://github.com/vilaboim/grido

Juggernaut, a React boilerplate - https://github.com/SoftboxLab/juggernaut

Gandalf-lint, a JS style guide - https://github.com/SoftboxLab/gandalf-lint

Gandalf-lint-react, a React style guide - https://github.com/SoftboxLab/gandalf-lint-react

I'm looking for JS or CSS open source projects to contribute.