Find Open-Source Alternatives
Discover powerful open-source replacements for popular commercial software. Save on costs, gain transparency, and join a community of developers.
Discover powerful open-source replacements for popular commercial software. Save on costs, gain transparency, and join a community of developers.
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.
These projects match the most common migration paths for teams replacing Calendesk.
Why teams pick it
Self-hosted or cloud: deploy on your domain or use managed hosting
Run on infrastructure you control
Recent commits in the last 6 months
Counts reflect projects currently indexed as alternatives to Calendesk.
Why teams pick it
Local‑first data processing for full privacy control
Open-source scheduling infrastructure you control and customize
Why teams choose it
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
Your AI-powered personal and business assistant in one place
Open-source scheduling tool for effortless group meeting coordination
Private, ad‑free calendar with powerful syncing and customization
Self-hosted appointment scheduler with Google Calendar sync
Teams replacing Calendesk in appointment scheduling & booking platforms workflows typically weigh self-hosting needs, integration coverage, and licensing obligations.
Tip: shortlist one hosted and one self-hosted option so stakeholders can compare trade-offs before migrating away from Calendesk.
Why teams choose it
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.
Why teams choose it
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.
Why teams choose it
Watch for
Android‑only application
Migration highlight
Personal daily planning
Stay on top of appointments, reminders, and habits with custom sounds and widgets.
Why teams choose it
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.