This is one of the most popular Doom source ports. It is available for DOS, Windows, Linux and Mac OS X, and should build on any POSIX platform which supports SDL. It enhances Doom with things like TCP/IP networking, OpenGL renderer, Heretic support and much more.
The Gryphel Emulator emulates a Macintosh Plus and other of the earliest Macintosh computers. It can run old Macintosh 680x0 software that otherwise couldn't be used on recent machines.
MacMPEG2Decoder (aka MM2D) decodes MPEG2 video into a variety of formats, normally quicktime based, on a Macintosh (Classic & OSX).
A Interactive Network VideoGame
The TruongQuangDuocIDS (tqdids) is an IDS that works on multi-platform, from Solaris/SPARC to HP-UX/Alpha. This IDS has features like other IDSs (snort etc.) but it has a special feature inside the binary-pattern-matching algorithm that makes it faster.
vMac is a free Open Source Macintosh emulator that is available for Linux/X-Windows, Win32, DOS, MacOS, and more.
The purpose of wxSSL is to allow wxWindows programmers to write SSL programs using socket classes similar to what exists in the current wxWindows. wxSSL will implement the IPC and socket classes over SSL.