Online tools

http://nestifycss.mac-blog.org.ua/ - online tool to nestify CSS

http://fonts.mac-blog.org.ua/ - online tool to calculate font sizes in different metrics

http://checktags.mac-blog.org.ua/ - online tool to check omitted tags

http://transliterate-service.appspot.com/ - transliterate service with simple api

http://xsdvalidation.utilities-online.info/ - validate xsd

http://www.freeformatter.com/xsd-generator.html - generate xsd