Keeper.sh
Calendar syncing tool that pulls and pushes events between calendar sources and destinations via iCal/ICS or OAuth, with support for anonymized busy/free events.
- Groupware & Calendars
- TypeScript
- AGPL-3.0
- Docker
- Actively maintained
GitHub stats
- GitHub stars
- 1,376
- Forks
- 62
- Open issues
- 122
- Commits, last 12 months
- 328
- Last commit
- Oct 5, 2026
- Latest release
- v2.24.6Sep 23, 2026
- Created
- Dec 23, 2025
Data from the GitHub API, refreshed daily.
About Keeper.sh
Calendar syncing tool that pulls and pushes events between calendar sources and destinations via iCal/ICS or OAuth, with support for anonymized busy/free events. Keeper.sh is open source under the AGPL-3.0 license and written mainly in TypeScript, so you can read the code, run it on your own hardware and keep full control of your data.
The project has 1,376 stars and 62 forks on GitHub, with 328 commits over the last year. It ships a Docker image, which makes it a good fit for a small VPS or a home server running Docker Compose.
Topics
- bun
- calendar
- ical
- nextjs
- sync
- typescript
- ics
- caldav
- calendar-sync
- google-calendar
Repository preview
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What is Keeper.sh?
Keeper.sh is a free, open-source app you can host on your own server, listed in our Groupware & Calendars category. Calendar syncing tool that pulls and pushes events between calendar sources and destinations via iCal/ICS or OAuth, with support for anonymized busy/free events. The source code lives at github.com/ridafkih/keeper.sh, where it has 1,376 stars.
Is Keeper.sh free and open source?
Yes. Keeper.sh is open-source software released under the AGPL-3.0 license, so you can self-host it at no cost. You only pay for the server it runs on, and some projects also offer an optional paid cloud plan.
Can I run Keeper.sh with Docker?
Yes. Keeper.sh provides a Docker image, so you can run it on any Linux server with Docker and Docker Compose installed. The project README lists the image name and the environment variables to set.
What are the best alternatives to Keeper.sh?
Popular open-source alternatives to Keeper.sh include Nextcloud, Seafile and Colanode.
Is Keeper.sh actively maintained?
The most recent commit to Keeper.sh was on Oct 5, 2026 with 328 commits in the past twelve months. The latest release is v2.24.6, published Sep 23, 2026. Check the open issues on GitHub to gauge how quickly maintainers respond.