CCE let you display and input Chinese/Japanese/Korean/UTF8 in many OS: Linux *BSD Solaris LynxOS QNX SCOUnix Minix Hurd BeOS Windows Darwin MacOSX. It supports console(framebuffer/VGA) & X11(through GGI/SDL), bitmap/TrueType fonts and many input methods.
Jennylab is a open project learning, examples and security material.
Msn troll is an robust msn client written in C with the ncurses libarary. Msn troll aims to be small, fast, flexable and highly configuarable, with detailed theme options.