See ZDoom license page for more details on other licenses used within Zandronum. Some source files contain additional notices of original copyright by their contributors. The Zandronum license only covers Zandronum-specific code. source ports as long as the terms of the Zandronum license are satisfied. Practically, this means that Zandronum's source code is safe to use in either GPL or Doom Source License/Raven Source License/etc. New code in Zandronum is released under a 4-clause license based on the OSI-approved and GPL-compatible Sleepycat License, with the addition of the "No Endorsement" clause from the 3-clause New BSD License. The source code is available on ODSN and all new code is licensed under a modified Sleepycat license. Doesn't run on your flavor of operating system?.The goal of Odamex is to add enhancements to Doom while still retaining that 'classic Doom feel' we all know and love about the original game.
Here's why you should kill your time with Zandronum, versus vanilla Doom: EXE, the client software for the NEW multiplayer gaming environment of the future IPXSETUP.EXE, the IPX Network Device Driver that enables you to play DOOM. Zandronum brings classic Doom into the 21st century, maintaining the essence of what has made Doom great for so many years and, at the same time, adding new features to modernize it, creating a fresh, fun new experience. Doom reboots the gory franchise from id Software, the legendary studio that revolutionized the FPS genre with games like Wolfenstein 3D and the original Doom in the early ‘90s. Zandronum is a multiplayer oriented port, based off Skulltag, for Doom and Doom II by id Software.
Welcome to Zandronum! Leading the way in newschool multiplayer Doom online.