Latest issue of P2P Journal is out, you can download the PDF here.

Remaindered links from the article:

Some Specific Projects in Collaborative Computing: http://dsonline.computer.org/collaborative/projects/projects.html

Peer To Peer Working Group, “Bidirectional Peer-to-Peer Communication with Interposing Firewalls and NATs”: http://www.peer-to-peerwg.org/tech/nat/Docs/NATWhitePaperv095.pdf

P2PWall – IPTables blocking of P2P traffic: http://www.lowth.com/p2pwall/

CTCP (Client To Client Protocol): http://www.irchelp.org/irchelp/rfc/ctcps
pec.html

JOSE (stands for Java Open Source Exchange) is envisioned as a peer-to-peer network that allows developers to search, view and download source code made available by other peers: http://jose.jxta.org

New P2P applications and betas released:
· Skype
· Kappie
· JXTA Go
· 3°
· GLOO

Neural Network Markup Language: http://www.nnml.alt.ru/index.shtml