Diceomatic

While big-name tabletop RPGs aiming to compete with Dungeons & Dragons (or at least try to fill a similar niche) garner a lot of attention -- for example, Matt Colville's "tactical heroic cinematic fantasy" MCDM RPG, which raised over $4 million dollars --  there are a lot of cool and innovative games offering unique experiences that are also out there competing for your attention (and pledge of support).