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OpenCal

opencal.linkCalendar sync & group scheduling

No liveness check has reached it yet; it has been in the index since 8 Oct 2026. How this is checked

OpenCal combines availability from Google Calendar, Outlook, Teams, and iCloud into a shareable link. Visitors can see free times and book meetings without viewing event titles or details.

Inferred · not functionally tested

FreeWebCloud-managed
OpenCal preview
Visit opencal.link

Overview

6 features

Purpose: Finding mutually available meeting times without exposing calendar event details.

Inferred · not functionally tested

Audience: individuals and professionals coordinating meetings across multiple calendars

Inferred · not functionally tested

Functions: scheduling

Inferred · not functionally tested

Interfaces: API: indicated (inferred, not tested) · MCP: unknown · CLI: unknown · Self-hosting: unknown

Recorded constraints: pricing: free · license: Proprietary · platforms: WEB · deployment: browser, cloud_managed

Constraint provenance is unknown; confirm requirements with the publisher.

Record sources: opencal.link. These links do not verify the individual claims.

In the Calendar sync & group scheduling space, OpenCal takes a focused approach. Inferred · not functionally tested: It focuses on finding mutually available meeting times without exposing calendar event details. Inferred · not functionally tested: OpenCal is a consumer product aimed at individuals and professionals coordinating meetings across multiple calendars. Basis unknown · not verified: OpenCal is free to use. Basis unknown · not verified: It runs on the web.

It is developed by OpenCal. Inferred · not functionally tested: Key capabilities include free-time links, calendar connections, and availability sharing. Inferred · not functionally tested: Catalogued interfaces include a public API.

Summary written by a language model from the project’s public pages.

Tasks: Inferred · not functionally tested

  • Free-time links
  • Calendar connections
  • Availability sharing
  • Private busy times
  • Meeting booking
  • Booking buffers

Topics: Inferred · not functionally tested

Tags
calendar-availabilitymeeting-bookingcalendar-privacymulti-calendar-sync

JSON profile · Text profile · Access guide

Built with & integrations

Hosting
Cloudflare
Connectors
API
Runs on
BrowserCloud-managed
Detected from
Cloudflare
cf-ray header

Trust & compliance

Public signals
HTTPSPrivacy PolicyTerms of ServiceFree tier
Legal
Privacy Policy Terms of Service

Indexing history

1

What PulseGate has recorded for this listing

  1. Indexed8 Oct · 13:10 UTC
    Show HN: OpenCal, one link for your free time across Google, Outlook and Teams seen via Hacker News firehose (Algolia)
    Source: Hacker News firehose (Algolia) · Open

Frequently asked questions about OpenCal

What is OpenCal?
Inferred · not functionally tested: OpenCal focuses on finding mutually available meeting times without exposing calendar event details. It is catalogued under Calendar sync & group scheduling on PulseGate.
Who is OpenCal for?
Inferred · not functionally tested: OpenCal is a consumer product built for individuals and professionals coordinating meetings across multiple calendars.
Does OpenCal have a free plan?
Basis unknown · not verified: Yes — OpenCal is free to use.
What platforms does OpenCal run on?
Basis unknown · not verified: OpenCal runs on the web.
Is OpenCal still maintained?
Unverified. OpenCal has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.
Who develops OpenCal?
OpenCal is developed by OpenCal.
Does OpenCal have an API or integrations?
Inferred · not functionally tested: Yes — OpenCal exposes a public API.

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