O

offline-first

local-first data-stream weaving engine

Sailing race management PWA for recording times, applying CYCA handicaps, scoring series and pursuit races, as well as PDF exports. All locally in the browser. https://racemate.powrie.io

윷놀이 Yutnori - Traditional Korean board game as a single-file HTML/CSS/JS Progressive Web App. No build step, no npm. Offline-capable, installable on phones.

Native macOS app for Shapearator: extract, name and export every icon from a single sheet, entirely on your Mac. Bundles its own engine, so there is nothing to install.

Offline D&D dice roller in a single self-contained HTML file. Roll from D4 to D100 with modifiers, advantage/disadvantage, multi-die batches, spell & weapon presets, favorites, animated effects, haptics and roll history.

Sannyas — an independent Android player for Osho's recorded discourses. Media3, Compose, English/Hindi.

Modern UI. Powerful playback. Open source. Powered by libVLC.

Yanapa - Asistente AI offline para comunidades originarias de Sudamerica y Centroamerica. Salud, derechos, cultura y medicina tradicional en lenguas indigenas.

Offline-first mobile platform with native BLE device communication, HealthKit ingestion pipelines, cursor-based sync, and SQLite-first architecture, built with React Native, Swift, and Kotlin.

Cross-platform TypeScript contract layer: Zod API schemas, deterministic conflict resolution, cursor-based sync configuration, SHA-256 payload hashing, and health metric definitions for offline-first distributed systems