Performance is important, but I see a lot of websites with slow and laggy animations. It’s awful. I wrote an article about this problem. I hope my advices and practical examples will help you make your animations better. The full article in Russian is here.
Simple UI framework. RSCSS, REM-based sizes, fluid typography and other nice ideas. This website is powered by it.
Boilerplate for static promotional websites. Pug, LESS, PostCSS, ES6+, Gulp, Webpack, BrowserSync, ESLint, Stylelint, auto-generated docs...
Library for creating galleries of photos with effects based on WebGL shaders.