◾C library: fast and small ◾API is simple, expressive and fully reentrant ◾Implementation is HTTP 1.1 compliant ◾HTTP server can listen on multiple ports ◾Four different threading models (select, poll, pthread, thread pool) ◾Supported platforms include GNU/Linux, FreeBSD, OpenBSD, NetBSD, Android, OS X, W32, Symbian and z/OS ◾Support for IPv6 ◾Support for SHOUTcast ◾Support for incremental processing of POST data (optional) ◾Support for basic and digest authentication (optional) ◾Support for SSL3 and TLS (requires libgcrypt and libgnutls, optional) ◾Binary is only about 32k (without TLS/SSL support and other optional features)

• Callbacks for events • SSL Support • Easy to use • Uses libevent for portability (tested on Linux/FreeBSD) • IPv6 support • No failures on Autobahn Test suite