Roto — Open Source Calendar App

Roto is an offline, privacy-first way to keep any rotating schedule on-device. Load a JSON rota, pin the widget, and check today or tomorrow at a glance—no accounts or trackers. - Works fully offline; optional one-time download from a user-provided HTTPS link - Handles repeating week cycles (Week 1/Week 2/Week 3...) anchored to real calendar Mondays - Supports per-date overrides without editing the base cycle - Flexible slots with labels, tags, and notes for menus, shifts, or duties - Homescreen widget for today/tomorrow - Ships with sample rotas and an AI-friendly prompt to generate your own JSON quickly All data stays local; dependencies are open source and F-Droid friendly.