The open-source scheduling infrastructure for everyone
Easy!Appointments is a mature, highly customizable open-source web scheduler that allows customers to book appointments with staff, syncs two-way with Google Calendar/CalDAV, and embeds directly into any website.
Tech StackPHP, CodeIgniter, MySQL, Bootstrap
Self-Host DifficultyEasy
License ModelGPL-3.0
GitHub Repositoryalextselegidis/easyappointments
Recommended VPS & Hardware Sizing
Estimated Hosting: $4 - $6/mo (e.g. Hetzner CX22 or DigitalOcean)Min RAM:1 GB
Rec RAM:2 GB
Compute:1 vCPU
Disk Space:10 GB SSD
Easy!Appointments vs Calendly Comparison Matrix
| Evaluation Criteria | Easy!Appointments (Open Source) | Calendly (Proprietary) |
|---|---|---|
| Subscription Model | 100% Free Self-Hosted (Unlimited Users) | Calendly Per-Seat / Usage Billing |
| Data Sovereignty | 100% On-Premise / Your Own VPS | Stored on Calendly Proprietary Cloud |
| Source Code Audit | Open-Source (GPL-3.0) | Closed-Source Proprietary Blackbox |
INTERACTIVE TCO MODELEstimated Rate: $14/user/mo
Financial Impact: Migrating from Calendly to Self-Hosted Easy!Appointments
5 Users (Early Startup)50 Users (Scaleup)200 Users (Enterprise Org)
Calendly (Cloud SaaS)Per-Seat Tax
$4,200per year ($350/mo)
3-Year Spend:$12,600
* Excludes enterprise SSO add-ons & usage overages
Easy!Appointments (Self-Hosted)Zero Per-Seat Fee
$120per year ($10/mo Linux VPS)
3-Year Compute:$360
* Commodity Hetzner / DigitalOcean compute instance
Cumulative 3-Year ROI+$12,240Net savings across 36 months (97% reduction)
Annual Free Cash:+$4,080/yr
Need C-Level Buy-In? Generate an instant ROI proposal memo to present to your CTO or CFO.
HEAD-TO-HEAD BATTLES // SIDE-BY-SIDE AUDIT
Custom Comparison Engine →Compare Easy!Appointments Head-to-Head
★ PRIMARY REPLACEMENTFOSS vs SaaS
Comprehensive benchmark comparing Easy!Appointments against proprietary Calendly licensing and features.
View Full Battle Report→
SchedulingPEER BENCHMARK
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Self-Hosted Ticketing & Check-In vs Eventbrite 3.7% + $1.79 Ticket Cut
Inspect Comparison→
Core Capabilities & Features
✓Two-way Google Calendar Sync
✓Multi-provider & Service Routing
✓REST API & Webhooks
✓Embeddable Booking Widget
Self-Host Easy!Appointments with Docker Compose
Tweak configuration ports, secrets, and volumes live. Download or copy your ready-to-run container file:
1-Click Docker Compose Generator
Generate production-ready container definitions with customizable ports and volumes.
Easy!AppointmentsGPL-3.0
Lightweight self-hosted appointment booking and customer scheduler
Difficulty: Easy4,431 ⭐
Configure Parameters
docker-compose.easyappointments.yml
version: "3.8"
services:
easyappointments:
image: alextselegidis/easyappointments:latest
container_name: easyappointments
restart: unless-stopped
ports:
- "${PORT:-8080}:8080"
environment:
APP_URL: "${APP_URL:-http://localhost:8080}"
SECRET_KEY: "${SECRET_KEY:-ossmatrix_prod_secret_2026}"
volumes:
- easyappointments_data:/data
volumes:
easyappointments_data:Frequently Asked Questions: Self-Hosting Easy!Appointments
How do I self-host Easy!Appointments using Docker Compose?
You can deploy Easy!Appointments (alextselegidis/easyappointments) on any Linux server by copying the docker-compose.yml template on this page, configuring your desired host port and persistent volume directory, and running 'docker compose up -d'.
How does Easy!Appointments compare to Calendly?
Easy!Appointments is an open-source, self-hosted alternative to Calendly built with PHP, CodeIgniter, MySQL, Bootstrap. Unlike Calendly ($12 - $16 / user / month), Easy!Appointments has zero per-user licensing fees and keeps 100% of your data on your own infrastructure.
What are the minimum VPS RAM and CPU requirements for Easy!Appointments?
For production self-hosting (Easy difficulty tier), we recommend at least 2 GB RAM (minimum 1 GB), 1 vCPU, and 10 GB SSD storage, which typically costs $4 - $6/mo (e.g. Hetzner CX22 or DigitalOcean).
Is Easy!Appointments free for commercial business use under the GPL-3.0 license?
Yes. Distributed under the GPL-3.0 license, Easy!Appointments can be self-hosted internally by businesses and engineering teams of any size without per-seat royalties.
README INTEGRATION // REPO EMBED
Embed Official Easy!Appointments Badge in GitHub README
Served locally from OSSMatrix with Cloudflare global edge caching. Real-time verified alternative status, zero third-party dependencies, sub-5ms load time.
Live Preview:
Markdown Embed (GitHub / GitLab)
[](https://ossmatrix.com/project/easyappointments)HTML Embed (Docs / Landing Pages)
<a href="https://ossmatrix.com/project/easyappointments" target="_blank" rel="noopener noreferrer"><img src="https://ossmatrix.com/api/badge/easyappointments" alt="Easy!Appointments on OSSMatrix" /></a>SIMILAR REPOSITORIES // PEER COMPARISON
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