calrs
★ 307A self-hosted alternative to Calendly
GNU Affero General Public License v3.0Open Source — No PaywallSingle Container — single container — minimal hosting footprintSource2 documented maintainers
About
calrs is an open-source scheduling platform written in Rust for people and teams that want to self-host their booking workflow. It lets users connect one or more CalDAV calendars, define bookable...
Community Ratings
No ratings yetNew this week
Read recap →Weekly Recap — Sep 25, 2026 – Oct 2, 2026Oct 2, 2026
Features
- event types
- per-event-type calendar selection
- availability engine
- recurring events
- conflict detection
- pending bookings
- rescheduling
- timezone support
- CalDAV sync
- calendar source management
Details
- Last Updated
- Oct 5, 2026
- Created
- Mar 9, 2026
- Install Methods
- source
- Requirements
- CalDAV calendar serverOIDC provider (for team setup and authentication)SMTP server
- Authentication
- oidc-ssolocal
- Privacy & Independence
- No Cloud Required
- User Model
- Multi-User
- Deployment
Deployment: Single container (docker run)Single Container — minimal hosting footprintsingle container
Docker Deployment
Single container · ghcr.io/olivierlambert/calrs:latest · 1 volume · port 3000:3000
no resource limits declared
scanned Oct 5, 2026
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Open Core