A listing XML Socket Servers for Flash

This is a list I compiled recently of commercial and opensource XML socket server's for flash. Along with some code examples of how to get started writing one from scratch.

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COMMERCIAL/NON-OPENSOURCE

Electro Server 3
java based
commercial
- $299.00 for 50 users
- $599.00 for 100 users
- $899.00 for 200 users
- $1599.00 for 1000 users
- $2999.00 for unlimited
http://www.electrotank.com/ElectroServer/

colin moock's unity
java based
commercial
- $99.99 - express up to 100 connections
- $699.00 - enterprise unlimited
http://moock.org/unity/buy/

NowCentral
java based?
commercial
- $95.00 - up to 64 users
- $495 - unlimited
http://www.nowcentral.com/

eClever
windows binary
comercial - price ranging from free for up to five users to $547.00 for 500+ users
http://multiuser.web-cd.net/en/default.aspx

Bricole XML Session Server
java based
free - but not opensource really
http://www.bricole.se/xss/copyright.html

Fortress Server by Xadra
discontinued

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OPENSOURCE/FREE

red5 - built in xmlsocket + flash audio/video streaming
java based
opensource
http://osflash.org/red5

Palabre
Python based
opensource
http://swik.net/palabre-flash-xml-socket-server

Swocket
python based
opensource
http://swocket.sourceforge.net/

Multiserver
java based
opensource
http://www.shovemedia.com/multiserver/

Chatter
perl based
opensource
http://www.pushby.com/chatter/

Power Flasher SOS
java based - PHP client sample code
opensource
http://sos.powerflasher.de/english/english.html

Flash Unity
PHP based - alpha
opensource - GPL
replacement of the CyberSS (http://projects.cyberlot.net/trac/cyberss) php xml socket server
http://www.flashunity.com/wiki/Faq
http://pear.cyberlot.net/index.php
sample
http://chat.cyberlot.net/

Jabber.org Server
Java based
Flash has to use XMPP to communicate with the server.
XIFF is a opensource XMPP toolkit for Flash (AVM2/Flash Player 9/FLEX2 port available)
http://www.jivesoftware.org/xiff/
opensouce
http://www.jabber.org

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SIMPLE XML SOCKET SERVER CODE EXAMPLES

Alan Nouri's Blog | dubi.org
simple socket server in python
http://www.dubi.org/python-socket-server-for-flash

Ted Patrick's Blog | Ted On Flex | http://www.onflex.org
simple socket server in python
http://www.onflex.org/ted/2003/10/non-xml-over-xmlsocket-for-f5-f7.php

HeliantTM Whitepaper: XMLSocket Simplified by Shengdar Tsai
simple socket server in perl
http://www.heliant.net/~stsai/code/

ZEND Developers Zone
writing socket servers in PHP with ZEND
http://devzone.zend.com/node/view/id/1086

Java meets Flash - by Tom J. McClure
writing socket servers in Java.
http://www.dagblastit.com/java/sockets.html

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Other resources

The Flash XML FAQ - has info about xml socket servers
http://www.huikuri.com/flash/xml/