Specula: A Framework for Synthesizing High-Quality TLA+ Specifications from Source Code

A small experiment reproducing the AWS DNS race condition using the Spin model checker.

A project to digitalise results from physics into Lean.

Apache OpenDAL: One Layer, All Storage.

USB HID implementation for Dendy-compatible joystick / controller

Hybrid in-memory and disk cache in Rust

Read-through cache for object storage

Pinepods is a complete podcast management system that allows you to play, download, and keep track of podcasts you enjoy. All self hosted and enjoyed on your own server!

APALACHE: symbolic model checker for TLA+ and Quint

A Prettier Printer for Java

Proving a blocking queue deadlock free in a dozen different ways

Open-source keyboard firmware for Atmel AVR and Arm USB families

Offline, privacy-first grammar checker. Fast, open-source, Rust-powered

A controlled concurrency testing framework for the JVM

Mirror of my from-scratch x86_64 UNIX-like OS.

Mocks for testing embedded-hal based drivers without hardware access.

Writing an OS in 1,000 lines.

Winners of the International Obfuscated C Code Contest

ayb makes it easy to create databases, share them with collaborators, and query them from anywhere

A minimal GPU design in Verilog to learn how GPUs work from the ground up

Azure Command-Line Interface

Playwright MCP server

Some experiments in making exercises for teaching TLA+

A formatter for TLA+ specs

DuckDB is an analytical in-process SQL database management system

Lean 4 programming language and theorem prover

The Offline NT Password Editor

The ancestral computer game, circa 1976.