Shell explainer

This is utterly fantastic! Give it a shell command of arbitrary complexity and it will draw a nifty chart-slash-diagram with explanatory text for it. I love this.

TermKit

A reinvention of the Unix command line, TermKit wraps commands in a JSON HMI layer, parses commands while you're typing so that the tokens work right without all the quotes and escapes, and does a lot of other neat stuff that we should really be thinking about this century.

I don't particularly love his aesthetic choices, but the overall idea is fantastic.  Unfortunately, he seems to have run aground on development.