Kali is an IPX network emulator for DOS and Windows, enabling legacy multiplayer games to work over a modern TCP/IP network such as the Internet. Later versions of the software also functioned as a server browser
for games that natively supported TCP/IP. Versions were also created
for OS2 and Mac, but neither version was well polished. Today, Kali's
network is still operational but development has largely ceased.
Kali also features an Internet Game Browser for TCP/IP native games, a
buddy system, a chat system, and supports 400+ games including Doom 3, many of the Command & Conquer games, the Mechwarrior 2 series, Unreal Tournament 2004, Battlefield Vietnam, Counter Strike Condition Zero, and Master of Orion II.
The Kali software is free to download, but has a time-based cap for
unregistered versions. For a one-time $20 fee the time restriction is
removed.