Features

Server Library	Yes
Client Library	Yes
License	BSD
Library Type	Static or dynamic
Protocol Support	Protocol 13 as defined in the Draft 17 specification (Outstanding Issues)
	Protocol 8 (with behavior of draft 17)
	Protocol 7 (with behavior of draft 17)
Browser Support	FireFox 6+, Chrome 14+, IE 10+
Platforms	In theory anything that Boost runs on. Has been tested on Mac OS X and Linux
API Type	Asynchronous, message based
Message Types	Binary and utf-8 text (not all browsers support binary)
Message Size Limit	memory limited, configurable
IPv6 Support	Yes
Manual Ping/Pong	Yes
Flow Control	Queuing is avoided, natural TCP/IP flow control is in effect.
Handshake features	Passes through all HTTP headers for application use
	subprotocol negotiation
	extension request data pass through
	custom HTTP errors for application defined handshake failures
	application defined HTTP headers in handshake response
Protocol Test Report	Autobahn Report (Server)
	Autobahn Report (Client)