BeOS FreeBSD 4.x 5.x 6.x 7.x 8.x Linux 2.4 and later Mac OS X 10.2 and up Microsoft Windows 5x/6x kernel, Windows 2000, Windows XP, Windows Server 2003, Windows Vista, Windows Home Server Solaris Platform support should be easy on any POSIX compatible system. (Tested on 32 and 64 bit platforms, various integer byte endings, etc.) Code style and development PvPGN is free software, licensed under the GNU General Public License version 2. It is written in the C programming language; its source code is hosted in a CVS repository. PvPGN is mature and highly scalable - a single server instance is capable of over 21,000 real-time connections. C++ branch Starting with PvPGN 1.99, a new branch was created and work is underway to incrementally convert the codebase to C++. The new branch is hosted in Apache Subversion rather than CVS. External links Free network-related software Free emulation software Server emulators