The tool from my series of articles called "Math is not required for UI development". It creates slides with graphs and texts in the style of the school desk.
Boilerplate for static promotional websites. Pug, LESS, PostCSS, ES6+, Gulp, Webpack, BrowserSync, ESLint, Stylelint, auto-generated docs...
Simple UI framework. RSCSS, REM-based sizes, fluid typography and other nice ideas. This website is powered by it.