Links: - https://tox.im/ - https://en.wikipedia.org/wiki/UDP_hole_punching - https://en.wikipedia.org/wiki/Peer-to-peer - http://gamedev.stackexchange.com/questions/9971/networking-without-port-forwarding - http://www.brynosaurus.com/pub/net/p2pnat/ - http://blog.sogilis.com/post/87085010136/how-to-tcp-nat-traversal-using-node-js-and-a-stun - http://superuser.com/questions/640191/alternative-to-tor-hidden-services-or-port-forwarding-without-public-ip - https://www.npmjs.com/package/nat-pmp - http://en.m.wikipedia.org/wiki/NAT_Port_Mapping_Protocol - http://superuser.com/questions/640191/alternative-to-tor-hidden-services-or-port-forwarding-without-public-ip
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