Render osu! replays in the browser — parsers, judgement engine, and canvas renderer for all four rulesets

Service worker static website server: browser Capsium reactor serving .cap packages per routes.json (layered storage, composite packages, JS handler routes, §4b auth, §7 introspection).

Declarative PDF engine - define layout once, feed it JSON, get consistent PDFs

Data models, parser, serializer, validator, and CLI for the FIDO Credential Exchange Format (CXF) v1.0

Sauron browser SDK: automatic error reporting + product analytics for the web.

A reversible codec: JSON, text, or bytes <-> a compact, formattable string. Not a crypto digest.

React hooks for @blueneon/zip-it — useZipIt, useZip

A pure-TypeScript PDF core: lazy parsing, append-only writing, AcroForm read/fill/flatten/synthesize, and text extraction. No WASM.

Static semantic analysis engine for Microsoft Business Central AL code

gengen view design

Reusable TypeScript Markdown-to-DOCX conversion core for polydoc and TeamWiki.

🗜️ Compressed cache persistence for Apollo Client

Browser-side shapefile.js only

Y.js CRDT backend for shareable-data-store

IO and compression library for Armarius

A pure-TypeScript PDF core: lazy parsing, append-only writing, AcroForm read/fill/flatten/synthesize, and text extraction. No WASM.

A simple, minimal Minecraft NBT binary parser for browsers and Node.js

Core utilities for character card handling

Declarative PDF engine - define layout once, feed it JSON, get consistent PDFs

json-joy CRDT backend for shareable-data-store