Show HN: OpenCal, one link for your free time across Google, Outlook and Teams

Category: other

Tags: scheduling, calendar, productivity, privacy, ocr

Score: 6.0/10 (Innovation: 6, Technical: 5, Documentation: 5, Utility: 7)

OpenCal aggregates free/busy times from Google, Outlook/Teams, and iCloud into a single shareable link for scheduling. It uses browser-based OCR to read Teams calendars without server-side access, and stores busy times encrypted. It fills a real gap for people juggling multiple calendar ecosystems.

Target audience: professionals, recruiters, and anyone coordinating meetings across multiple calendar systems

Repository: https://opencal.link/

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