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Open-source alternatives to SimplyBook.me

Compare community-driven replacements for SimplyBook.me in appointment scheduling & booking platforms workflows. We curate active, self-hostable options with transparent licensing so you can evaluate the right fit quickly.

SimplyBook.me logo

SimplyBook.me

SimplyBook.me supports calendar sync, intake forms, notifications (email/SMS/WhatsApp), and payment integrations, with extensive custom features and client/admin apps.Read more
Appointment Scheduling & Booking Platforms
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Key stats

  • 4Alternatives
  • 2Support self-hosting

    Run on infrastructure you control

  • 4Active development

    Recent commits in the last 6 months

Counts reflect projects currently indexed as alternatives to SimplyBook.me.

All open-source alternatives

Easy!Appointments logo

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.

Fossify Calendar logo

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.

Cal.com logo

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 logo

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.

Choosing a appointment scheduling & booking platforms alternative

Teams replacing SimplyBook.me in appointment scheduling & booking platforms workflows typically weigh self-hosting needs, integration coverage, and licensing obligations.

  • 2 projects let you self-host and keep customer data on infrastructure you control.
  • 4 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 SimplyBook.me.