_This article is the sixth in our new series that introduces the latest, useful and freely available tools and techniques, developed and released by active members of the Web design community. The first article covered [PrefixFree](https://www.smashingmagazine.com/2011/10/12/prefixfree-break-free-from-css-prefix-hell/); the second introduced [Foundation](https://www.smashingmagazine.com/2011/10/25/rapid-prototyping-for-any-device-with-foundation/), a responsive framework; the third presented [Sisyphus.js](https://www.smashingmagazine.com/2011/12/05/sisyphus-js-client-side-drafts-and-more/), a library for Gmail-like client-side drafts, the fourth covered a free plugin called [GuideGuide](https://www.smashingmagazine.com/2012/01/03/guideguide-free-plugin-for-dealing-with-grids-in-photoshop/) and the fifth presented Erskine Design's responsive grid generator [Gridpak](https://www.smashingmagazine.com/2012/03/19/gridpak-the-responsive-grid-generator/). Today, we are happy to feature a toolkit devised by Yandex: **BEM**._