Accurate Open-Source Alternatives to Calendly
Verified self-hostable open-source software projects offering zero monthly subscription fees and 100% data sovereignty.
Calendly Self-Hosting Feasibility
Calendly has an Open-Source Maturity score of 5/5 and Infrastructure Complexity of 2/5.
Docker Compose / Kubernetes / PostgreSQL / Hetzner
$5 - $25 / month VPS hosting
Verified Open-Source Repositories
Cal.com
Open-source scheduling infrastructure for everyone.
EasyAppointments
Self-hosted appointment scheduler.
Recommended VPS Servers for Self-Hosting
To self-host open-source alternatives to Calendly, you need a Virtual Private Server (VPS) with 100% root access, Docker support, and dedicated IPv4 addresses.
Ultra-fast KVM VPS with NVMe storage, 1-click Docker deployment, automatic weekly backups, and global server locations.
Developer-first Droplets with 1-click App Marketplace for Docker, PostgreSQL, and instant cloud scaling.
High-availability managed cloud hosting with 99.99% uptime SLAs, enterprise security, and 24/7 dedicated support.