WAMP came up on Meteor's mailing list some time ago. One would compare it with Meteor's own pub/sub and rpc protocol called DDP (https://www.meteor.com/ddp).

DDP has clients in Objective-C, Java, Python and some other major languages, too: http://www.meteorpedia.com/read/DDP_Clients

https://groups.google.com/forum/#!searchin/meteor-talk/wamp/...