sadoceanspacebar, a band I'd only heard of because of this kickstarter video for a comic book that I am not that interested in but the guitar noodling is pleasant.
miscellaneous fluid simulation on the gpu
Florian Bösch's awesome-looking webgl fluvial erosion model except sadly I can't get it to run out of the box on any computer I have. Something about "Uncaught /*UNKNOWN WebGL ENUM*/ 0x1280 drawArrays ".
pixi, a library for 2d webgl stuff
some fast image filters in webgl