Fuchsia is a new, open-source, capability-based operating system. I spent a year at Google designing and implementing its text input protocol, which has unusual properties not found on other operating systems.
Slate is a open-source project that converts markdown into two-column API docs. Used by NASA, IBM, Sony, Mozilla, and others. I created it during an internship at TripIt in 2013.
The Pixel Debate Game is an in-browser multiplayer image guessing game I built as a contractor for OpenAI. They use it to "test one aspect of the debate approach to AI alignment". I have no idea what that means.
crudite is a CRDT implementation in Rust.
Mortalical and Mortalitab are two little mementos mori in the form of a wall calendar and Chrome extension.
Flexblocks is a minimal CSS layout library that tries to simplify and solve common bugs with spacing and aligning elements. You can read the explanation blog post on this site.
qr is a QR encoder written in Python for a class on coding theory.