A selection of open-source projects and interactive demos, with an emphasis on modeling, protocols, functional programming, and compact user-facing tools.
Object-relational mapping library for Haskell, used in production by several companies and mentioned in O'Reilly's Developing Web Applications with Haskell and Yesod.
Built from Master's thesis work on modeling algebraic data types in relational databases.
Command-line utility for AlphaSmart NEO, a retro distraction-free writing tool. It manages files, installs applets, and tweaks settings through a raw USB protocol.
A clock face with one moving ring and a vernier-style scale that can show time with under-one-minute precision.
A chess variant where pieces start off-board, leave trails as they move, and capture by cutting path constraints. Play against a simple AI or watch AIs explore the mechanics.
A browser extension that hides sticky page elements, cleaning up headers, footers, overlays, and other interface noise while reading.