An assortment of Sketch Plugins aimed towards working with horizontal/vertical grid layouts and typography.
Grunticon makes it easy to use HD-ready (retina) vector illustrations, icons, and background images in your web project without the hassles of spotty browser compatibility. The tool processes a set of SVG files, generates PNG fallback images for legacy browsers, and exports a demo page showing how to use the final icons.

Pictures from the book. 1965 - Hans Neuburg

Pictures from the book. 1974 - Ruedi Ruegg, Godi Frolich
Use this bookmarklet to test line length in paragraphs.
Skala Color is a compact and feature-rich OS X color picker that works with a huge variety of formats: Hex, CSS RGBA, CSS HSLA, UIColor, NSColor and more.
Refills are prepackaged patterns and components, built on top of Bourbon, Bitters, and Neat.
Analyze and optimize your website with PageSpeed tools to implement the web performance best practices.
An introduction tutorial to Bourbon and Bourbon Neat.
Laptop is shell script which turns your Linux or Mac OS X laptop into an awesome development machine.