I've been working on this enough that I think it's past the point of just being a show off thread and is ready to make it's way into being an actual project.
I started with a #109 client, and shortly after moved up to a #117 client (current RS for the last few weeks, we'll see if that remains after today's update).
My initial start with the #109 client
Routed walking and fullscreen
Banking nearly complete (just missing placeholders)
Keybinding/every game option works correctly
Complete XP drops with tracker/goals
Shops using the tournament interface for 200+ possible items with searching
Initial work with NPCs
Treasure trail expansion cache
Wiki dumper to save some time putting items and NPCs together
Netty for the deob
Graham and `Discardedx2 for the cache library
X for whoever released the new/changed player packet ~700+ clients use