ZX Sketch is a web-based graphical editor for the ZX Calculus.
Check out my application to the Unitary Fund:
Please feel free to contribute to the project or contact me at: Harry.Stoltz [at] nyu.edu
ZX Sketch uses PyZX for rewrites, and uses some minimal code from ZXlive.
Check out these Hawaiian "happy-face" spiders in what looks like a Z-X color-change:
source: Understanding Evolution, UC Berkeley: "The Happy-Face Spiders"