Pitcher (source) — a collection of exercises for training and testing absolute pitch (also known as perfect pitch). I’ve been training with it for a while and still don’t have perfect pitch, but maybe I’ll update this if that changes. Implemented in Elm and uses the HTML5 webaudio API to control sounds.

Shotclock (source) — a shot clock for snooker shootout games. Implemented in Elm and uses the HTML5 webaudio API to control sounds.

The Iconic Memory Game (source) — a memory game based on the tachistoscope experiments by George Sperling in the 1960s which sought to characterise the visual short-term memory system. Implemented in Elm.

Blinkenwords (source) — a minimalist rapid serial visual presentation (RSVP) reading utility. Implemented in Elm.

Gluap — a stalled implementation of the PushGP stack-based genetic programming framework. Implemented in Lua.