Olde projects. Check out my reel video to observe some of them in action.

Deadlock
Arena-based multiplayer FPS, the development of which I led for a university team programming course
Hybrid
IMGUI and RMGUI crossbreed
Nucleus
And old rendering engine with shader graphs and over-engineering
DShade
Software 3D rasterizer with vertex and pixel shader support
ctrace
The first ever compile-time ray-tracer
xfProf
Statistical profiler for D
Photon mapping
I experimented briefly with spectral photon mapping; Some images here
xfBuild
Multi-threaded incremental build tool for D