Join 10350+ others. No spamming.
I promise!

Follow us at github.



h2o / h2o


H2O - the optimized HTTP/1, HTTP/2 server


H2O - an optimized HTTP server with support for HTTP/1.x and HTTP/2

Build Status

Copyright (c) 2014,2015 DeNA Co., Ltd., Kazuho Oku, Tatsuhiko Kubo, Domingo Alvarez Duarte, Nick Desaulniers, Marc Hörsken, Masahiro Nagano, Jeff Marrison, Daisuke Maki, Laurentiu Nicola, Justin Zhu, Tatsuhiro Tsujikawa, Ryosuke Matsumoto, Masaki TAGAWA, Masayoshi Takahashi

H2O is a new generation HTTP server. Not only is it very fast, it also provides much quicker response to end-users when compared to older generations of HTTP servers.

Written in C and licensed under the MIT License, it can also be used as a library.

For more information, please refer to the documentation at