Hu-Go! is a PC Engine Emulator for Linux/i386 under console and X11. It plays Hu cards and CDs (and various forms of dumps from them).
GnuWin32 provides Win32 (MS Windows 95, 98, ME, NT, 2000, and XP)
ports of tools with a GNU or similar Open Source license.
A framework for writing command line applications in Java.
A small, fast, and efficient POP3 server with virtual domains.