Music is in my blood and science on my mind.
Gregory Foster — consulting software engineer in Asheville, North Carolina. Reproducible builds, declarative infrastructure, developer tooling, and music engraving. Physics degree, four instruments, and a long-running argument with Emacs.
Work
home-manager
A reproducible cross-platform development environment built with Nix flakes. One config drives WSL, macOS and NixOS, with encrypted secrets, GPG signing and CI.
Nix · Home Manager · SOPS · YubiKey
Twelve Keys
An interactive jazz-piano practice library — voicings, scales, lines and progressions in all twelve keys, engraved with notation, playback and guitar diagrams, and readable offline.
Python · LilyPond · 83 exercises
Ascendancy Trainer
An offline practice app for learning Trivium's Ascendancy in drop D: skill etudes, a full-neck scale map, and the song engraved as a playable score.
Python · PWA · Guitar
Tensor Notebook
An interactive notebook for tensor calculus — the physics degree refusing to stay put.
HTML · Mathematics