Focus on what matters: Data.
Library to manipulate the shape of data.
A graph manipulation language + viewer
Clojure/script library for simple and declarative datastructure manipulation.
A prototype for customizing weighted average with your preferences
Bootstrapped reagent playground which saves gists on github.
A color picker with a Hyper Mode(tm)
A card game for two players that seemed like it would work better on computer.
An app I wrote one afternoon after having a long Catan session with crooked dice.
Simple example of html as data.