话题排版

SockJS 是一个浏览器上运行的 JavaScript 库，如果浏览器不支持 WebSocket，该库可以模拟对 WebSocket 的支持，实现浏览器和 Web 服务器之间低延迟、全双工、跨域的通讯通道。

**SockJS family:**

SockJS-client [^client] JavaScript client library
SockJS-node [^node] Node.js server
SockJS-erlang [^erlang] Erlang server
SockJS-tornado [^tornado] Python/Tornado server
SockJS-twisted [^twisted] Python/Twisted server
vert.x [^vertx] Java/vert.x server

**Work in progress:**

SockJS-ruby [^ruby]
SockJS-netty [^netty]
SockJS-gevent (SockJS-gevent fork) [^gevent]
pyramid-SockJS [^pyramid]
wildcloud-websockets [^wildcloud]
SockJS-cyclone [^cyclone]
wai-SockJS [^wai]
SockJS-perl [^perl]
SockJS-go [^go]

[^client]: https://github.com/sockjs/sockjs-client
[^node]: https://github.com/sockjs/sockjs-node
[^erlang]:https://github.com/sockjs/sockjs-erlang
[^tornado]:https://github.com/MrJoes/sockjs-tornado
[^twisted]:https://github.com/DesertBus/sockjs-twisted/
[^vertx]:https://github.com/vert-x/vert.x

[^ruby]:https://github.com/nyarly/sockjs-ruby
[^netty]:https://github.com/cgbystrom/sockjs-netty
[^gevent]:https://github.com/njoyce/sockjs-gevent
[^pyramid]: https://github.com/fafhrd91/pyramid_sockjs
[^wildcloud]:https://github.com/wildcloud/wildcloud-websockets
[^cyclone]: https://github.com/flaviogrossi/sockjs-cyclone
[^wai]: https://github.com/Palmik/wai-sockjs
[^perl]: https://github.com/vti/sockjs-perl
[^go]:https://github.com/igm/sockjs-go/