There is bem-components library and some community libraries. What exactly do you need?

Probably, you looking for a Showcase? https://en.bem.info/libs/bem-components/v2.2.1/showcase/

@zz getmdl (Google Material Design Lite) is one of the many realisations of BEM-methodology. There is 2 things:

1. BEM-methology: idea, rules, etc. Without any helpful tools and frameworks. Just idea, like Agile.
2. And realisations:
3. Yandex-way (BEM-tools, etc),
4. Google MDL,
5. Lightning Design System also
6. and so on...