A highlights library for capturing, organizing, and resurfacing passages from books, articles, and other content via configurable email digests.

A demonstration of applications for zero knowledge proofs of DKIM and TLS signatures for privacy-preserving payments turned into a fiat to USDC on ramp. See my brief talk on it here.

Various poker league management tools including organizing cash games, tournaments, and calculating cash game payouts.

A mobile app that itemizes receipts and splits bills. Snap a photo and Dutch identifies items, prices, and calculates splits instantly.