A Trello-like datepicker with freeform time
A collection of formulas for gearing
A collection of tools for weather calculations
A heads-up dashboard for displaying thing-statuses
A sliding linear gauge (or rule) to pick values easily
A tool that downloads photobucket images from your database, stores them where you want, and updates the database image location.
Parses strings like this:
Homebridge plugin that creates a GarageDoorOpener which uses configurable HTTP calls to set and get its state.