Open-source Zi Wei Dou Shu (purple star astrology) chart-calculation engine with a TypeScript implementation, plus large chart-reading datasets.
Claude Code plugin that runs parallel SEO audits covering technical SEO, E-E-A-T, schema, GEO, and agent readiness.
Work-in-progress decompilation of PokΓ©mon HeartGold and SoulSilver for the Nintendo DS, reconstructing the game's source code.
Open-source desktop app that recognizes sheet music from PDFs or images into editable scores, then exports MusicXML/MIDI and offers guided practice.
Android app for studying Anki spaced-repetition flashcards, an official port of the Anki system.
A local, distraction-free desktop word processor for writing novels, with a bookshelf library and manuscripts formatted like books as you type.
A teaching operating system: a re-implementation of Unix Version 6 in ANSI C for RISC-V multiprocessors, running on QEMU.
A multi-agent AI travel planner that builds itineraries, budgets, weather, and hotel picks for user-specified cities and dates.