We've verified that the organization novelrt controls the domain:
A cross-platform 2D game engine accompanied by a strong toolset for visual novels.
A java and JNI-focused framework library for generating high-performance bindings. Primarily designed for use with the NovelRT engine and ClangSharp.
Clang bindings for .NET and Mono written in C#
The NovelRT Conan package manager configurations.
NovelRT's Website (WIP)
A small touhou danmaku clone to give a "complete" demonstration of what the engine can do.
Source Development Kit for NovelRT.