So I bought JSON.org, put up a web page and sort of declared it's a standard.

^{- Douglas Crockford}

Well, now it's time to do the same thing with JSONC (JSON with Comments):
Introducing https://jsonc.org/.

^{- DecimalTurn}

Well, now it's time to do the same thing with JSONT (JSON with Trailing commas):

Introducing https://json-t.org/ (yes, the domain for jsont.org was already taken).