Html2Bem 
Simple HTML to BEM converter - creates CSS/LESS code based on your HTML files and the BEM convention.
Changelog
v.0.4.2 - 21.01.2016
- Fixed issue with brackets in the less output
v.0.4.1 - 01.12.2015
- Fixed issue with filtering selectors
v.0.4.0 - 30.11.2015
- Added Sass support
v.0.3.0 - 24.11.2015
- First stable release with basic features like CSS/LESS support and indentantion control.
License
Html2Bem is licensed under the MIT License.