There're two more interesting things mentioned in the article which originated in yandex: https://github.com/highpower/xiva https://github.com/highpower/xiva -

There're two more interesting things mentioned in the article which originated in yandex: https://github.com/highpower/xiva https://github.com/highpower/xiva -- asynchronous web-server for server-side part of html5 websockets https://github.com/khanton/NwSMTP https://github.com/khanton/NwSMTP -- they say it's a "nginx for SMTP", a proxy server they use for providing ssl, rbl, antispam and antivirus checks.