Sketching a roleplay system with much less violent conflict, and more focus on social challenges and adventures. Ghibli instead of Gygax.
Flexible indie RPG for character-growth focused stories.
A competitive roleplaying game for three or more people.
Looks like a blast.
Well written article critically examining the 3.5 diplomacy skill, and building a replacement mechanic in a sensible way.
This is a great way to approach making changes to a game's mechanics.