any p2p libraries in .net

looking for a p2p library for

peer to peer and peer to peer(S)

so far I've come across

Brunet http://boykin.acis.ufl.edu/wiki/index.php/Brunet   
// does not seem to have #2 above

WCF P2P  http://msdn.microsoft.com/en-us/library/cc297274.aspx
// does not seem to have NAT / UPnP

OpenServer http://openserve.codeplex.com/
// not truly p2p but can be added per owner

ZK++ http://zkpp.codeplex.com/
// DC compatible, not whole lot of info though

Flowlib  http://code.google.com/p/flowlib/
// supports DC/ADC but no activity since Jan 2009 ???

NextHUB http://sourceforge.net/projects/nexth开发者_Python百科ub/
// officially stopped Jan 2010 after no activity in a year !

so the choice is not very clear, Any that i missed ? Are there any commerical .net libraries ?

Any comments on the choices above from personal experience perhaps ?

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MonoTorrent

MonoTorrent, a bittorrent library for .NET.

https://github.com/mono/monotorrent

Very much peer-to-peer indeed.

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What exactly is your application mean to do? The WCF can handle this properly and grabbing the basics will help you understand what exactly you need and if there's a perfect already available library out there for you.

Take a look at this: http://msdn.microsoft.com/en-gb/library/ms751502.aspx

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There's also our MsgConnect available. Doesn't support UPnP but one can add it himself.

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Mesh.NET has started recently: http://eigenein.info/mesh-net/