The Unreal Tournament SDK is a collection of hardcoded Engine Enhancements for Unreal Tournament that aim to update that wonderful old game so that both gamers and level designers/mod developers may enjoy this fine game just a bit longer. It is completely Open Source, free for noncommercial use. While I know that Unreal Engine 4 is the current state of the art incarnation of the Unreal Engine this project has become a more or less private project just for fun. After a 4 year break (coding nothing since 2014) I'm lookng forward to continue the project and release the next update in 2018. So yes... it's active again, after I had a time of hardship these last years.
The Download for the Demo Version of the Extension Pack for UT99. It contains mostly new basic features like Emitters and Lensflares and can be seen as some kind of Preview but not as an SDK like the Final Version.
The Public Beta Version contains: Basic Emitters, Basic Spritebeams, ~ 20 Example Classes, some Documentation, 1 small Test-Map, Basic Projectors, Skin Overlayers, 2 Util-Classes, Installer (if UMOD Download), Lensflares, Dynamic Coronas, UScript Source Classes, Content Source, Options Menu and so one. The Beta is very small (3 MB in size) thus it's recommended for Modem/ISDN Users because the Final will probably be ~ 100 MB in size!
I know that this isn't that much, but it's just Demo/Beta Version so I recommend to develope with the stuff in the Final Version. It'll contain 5x the amount of classes used in the Beta (~ 250 Classes), many Test (where you can freely test nearly everything), Example (here pre-made examples are shown in a fitting environment) and Tutorial Maps (levels used for the tutorials), a Class Reference (EACH class is listed + overviews), Class Tutorials/How-To-use Documentation, a new Renderer (to provide hardcoded features like Bloom, or the new Mesh System), Tools (like the Export/Manager Program for the Mesh System) and many other surprises..