Cal.com
Best for self-hosting
Why teams pick it
Self-hosted or cloud: deploy on your domain or use managed hosting
Open-source alternatives to Calendesk
Compare community-driven replacements for Calendesk in appointment scheduling & booking platforms workflows. We curate active, self-hostable options with transparent licensing so you can evaluate the right fit quickly.
Calendesk
Calendesk provides an all‑in‑one booking platform for businesses to accept online reservations, take payments, and send automated reminders. It offers branded booking pages and calendar sync to streamline scheduling for in‑person and online services.Read more
Key stats
- 5Alternatives
- 3Support self-hosting
Run on infrastructure you control
- 5Active development
Recent commits in the last 6 months
Counts reflect projects currently indexed as alternatives to Calendesk.
Start with these picks
These projects match the most common migration paths for teams replacing Calendesk.
Atom
Privacy-first alternative
Why teams pick it
Local‑first data processing for full privacy control
All open-source alternatives
Cal.com
Open-source scheduling infrastructure you control and customize
Self-host friendlyActive developmentPrivacy-firstTypeScript
Why teams choose it
- Self-hosted or cloud: deploy on your domain or use managed hosting
- White-label by design: full control over branding and appearance
- API-driven architecture: integrate scheduling into any workflow
Watch for
Self-hosting requires Node.js, PostgreSQL, and DevOps expertise
Migration highlight
SaaS product embedded booking
Integrate native scheduling into your application without redirecting users to third-party tools
Atom
Your AI-powered personal and business assistant in one place
Active developmentPrivacy-firstIntegration-friendlyPython
Why teams choose it
- Unified calendar and smart scheduling across personal and work accounts
- Cross‑platform communication hub with AI‑prioritized inbox
- Voice‑driven task and project automation with extensive integrations
Watch for
Requires Node.js environment and sufficient hardware resources
Migration highlight
Cross‑calendar meeting scheduling
Atom finds a mutually available 30‑minute slot across personal and work calendars and sends invites automatically.
Rallly
Open-source scheduling tool for effortless group meeting coordination
Self-host friendlyActive developmentPrivacy-firstTypeScript
Why teams choose it
- Meeting polls that aggregate participant availability to find optimal times
- Self-hosting support with comprehensive documentation for full data control
- Built on Next.js, Prisma, tRPC, and PostgreSQL for type-safe reliability
Watch for
AGPL-3.0 license requires source disclosure for modified hosted versions
Migration highlight
Team Sprint Planning
Coordinate recurring sprint planning sessions across distributed teams by polling availability and locking in times that maximize attendance.
Fossify Calendar
Private, ad‑free calendar with powerful syncing and customization
Active developmentPrivacy-firstAI-powered workflowsKotlin
Why teams choose it
- Ad‑free, privacy‑first design with no tracking
- Advanced event customization including repeat rules
- Seamless sync with Google, Outlook, Nextcloud, Exchange
Watch for
Android‑only application
Migration highlight
Personal daily planning
Stay on top of appointments, reminders, and habits with custom sounds and widgets.
Easy!Appointments
Self-hosted appointment scheduler with Google Calendar sync
Self-host friendlyActive developmentPrivacy-firstPHP
Why teams choose it
- Two-way Google Calendar synchronization for seamless schedule management
- Customizable working plans and booking rules for complex workflows
- Self-hosted deployment with full data ownership and control
Watch for
Requires server administration knowledge for installation and maintenance
Migration highlight
Medical Practice Scheduling
Patients book appointments online while doctors sync schedules with Google Calendar and receive automated reminders, reducing no-shows and administrative overhead.
Choosing a appointment scheduling & booking platforms alternative
Teams replacing Calendesk in appointment scheduling & booking platforms workflows typically weigh self-hosting needs, integration coverage, and licensing obligations.
- 3 projects let you self-host and keep customer data on infrastructure you control.
- 5 options are actively maintained with recent commits.
Tip: shortlist one hosted and one self-hosted option so stakeholders can compare trade-offs before migrating away from Calendesk.