Kalender Sync
Sync your calendars & connect them to ChatGPT, Claude & Co.
Keep Google, Outlook, iCloud and supported CalDAV calendars in sync, one-way or two-way. Choose what gets copied: busy only, title and time, or full details. Connect the same calendars to ChatGPT and Claude to check availability, find events and create new ones. Built for people juggling work, personal and client calendars, including GMX, WEB.DE, mailbox.org and kSuite. Set it up in minutes or by simply asking your agent.
Kalender Sync is a Productivity company. It launched on Product Hunt on Oct 22, 2026, with 78 upvotes. Adamlead has 1 person on file at Kalender Sync.
Kalender Sync timeline
- Sync your calendars & connect them to ChatGPT, Claude & Co.
People at Kalender Sync
Emails are shown masked, with whether each one has been verified. They're unlocked in the app with Lifetime access.
| Name | Title | |
|---|---|---|
Maker | – |
Frequently asked questions
Who works at Kalender Sync?
Adamlead has 1 person on file at Kalender Sync, including Julius Hasenzahl (Maker). Each email shows whether it has been verified.