An AI-powered task-management system you can drop into Cursor, Lovable, Windsurf, Roo, and others.

Reliable model swapping for any local OpenAI/Anthropic compatible server - llama.cpp, vllm, etc

A simple, extensible LLM client for Emacs

Ledger grammar for tree-sitter

Real-world smart contracts and apps built with Pact & Chainweb

Multiple cursors for emacs.

WebAssembly specification, reference interpreter, and test suite.

Language Server Protocol for Nix

A clock widget for modelines with real-time sky color and moonphase/weather icon

A Haskell re-implementation of the Nix expression language

John Wiegley's code to split customizations into different files, evolved!

Port of the Ledger accounting system (see project "ledger") to Common Lisp

UTF-8 with C++ in a Portable Way

Double-entry accounting system with a command-line reporting interface