Synchronet Multinode BBS Software (http://www.synchro.net) is now Open Source software.

Version 2.3 is currently available for DOS and OS/2 platforms.
This version includes:
o FidoNet, QWK, and PostLink/RelayNet support
o Split-scren multinode chat, internode messaging and telegrams
o Programmable menu/command shells and loadable modules
o Awesome door support
This version has been Public Domain since 1997 and remains so today.

Version 3.0 is currently available for Windows 98/ME/NT4/2000 platforms.
This version adds:
o Up to 250 nodes running in a single process or LAN-distributed
o Integrated Telnet server (No SIO/VMODEM/COM-IP/NetModem required)
o Integrated FTP server (dynamic indices, QWK xfers, and more)
o Integrated Mail server (SPAM filters, relaying, forwarding, and more)
o FOSSIL, DOOR32, WWIV, and XSDK external program support
o See ftp://vert.synchro.net/main/sbbs/sbbs3faq.txt for details
This version is copyrighted by Rob Swindell and available under the GNU GPL. See http://www.synchro.net/copyright.html for details.

A GNU/Linux port is in the works as well as for other free Unix-like OSes. Contributing developers are encouraged to join the effort.

Access to the current development source code for v2.3 and v3.0 is available via anonymous CVS at: cvs.synchro.net:/cvsroot/sbbs.
Example:
cvs -d :pserver:anonymous@cvs.synchro.net:/cvsroot/sbbs login
(just hit return, no password is necessary)
cvs -d :pserver:anonymous@cvs.synchro.net:/cvsroot/sbbs checkout src

or web-based CVS access at http://cvs.synchro.net/cgi-bin/cvsweb.cgi

For more information, see http://www.synchro.net/source.html