The open-source scheduling infrastructure for everyone
Developed at CERN, Indico is an enterprise open-source event organization, room reservation, and academic/corporate meeting management system capable of scheduling thousands of rooms and multi-track conferences.
Tech StackPython, Flask, React, PostgreSQL, Celery
Self-Host DifficultyMedium
License ModelMIT
GitHub Repositoryindico/indico
Recommended VPS & Hardware Sizing
Estimated Hosting: $10 - $15/mo (e.g. Hetzner CPX21 or Linode)Min RAM:2 GB
Rec RAM:4 GB
Compute:2 vCPU
Disk Space:25 GB SSD
Indico (CERN) vs Calendly Comparison Matrix
| Evaluation Criteria | Indico (CERN) (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 (MIT) | Closed-Source Proprietary Blackbox |
INTERACTIVE TCO MODELEstimated Rate: $14/user/mo
Financial Impact: Migrating from Calendly to Self-Hosted Indico (CERN)
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
Indico (CERN) (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 Indico (CERN) Head-to-Head
★ PRIMARY REPLACEMENTFOSS vs SaaS
Comprehensive benchmark comparing Indico (CERN) against proprietary Calendly licensing and features.
View Full Battle Report→
SchedulingPEER BENCHMARK
White-Label Open Scheduling Infrastructure vs $16/User/Month Calendly Tiers
Inspect Comparison→
SchedulingPEER BENCHMARK
Ad-Free Open-Source Group Meeting Polls vs Doodle Cluttered Ad Traps
Inspect Comparison→
SchedulingPEER BENCHMARK
Self-Hosted Ticketing & Check-In vs Eventbrite 3.7% + $1.79 Ticket Cut
Inspect Comparison→
Core Capabilities & Features
✓Enterprise Room Booking Engine
✓Call for Abstracts & Peer Review
✓SSO / OIDC / SAML Authentication
✓Meeting Minutes & Agenda Builder
Self-Host Indico (CERN) with Docker Compose
Tweak configuration ports, secrets, and volumes live. Download or copy your ready-to-run container file:
1-Click Docker Compose Generator
Generate production-ready container definitions with customizable ports and volumes.
Indico (CERN)MIT
Full-featured conference lifecycle, room booking, and meeting scheduler
Difficulty: Medium2,116 ⭐
Configure Parameters
docker-compose.indico.yml
version: "3.8"
services:
indico:
image: getindico/indico:latest
container_name: indico
restart: unless-stopped
ports:
- "${PORT:-8080}:8080"
environment:
APP_URL: "${APP_URL:-http://localhost:8080}"
SECRET_KEY: "${SECRET_KEY:-ossmatrix_prod_secret_2026}"
volumes:
- indico_data:/data
volumes:
indico_data:Frequently Asked Questions: Self-Hosting Indico (CERN)
How do I self-host Indico (CERN) using Docker Compose?
You can deploy Indico (CERN) (indico/indico) 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 Indico (CERN) compare to Calendly?
Indico (CERN) is an open-source, self-hosted alternative to Calendly built with Python, Flask, React, PostgreSQL, Celery. Unlike Calendly ($12 - $16 / user / month), Indico (CERN) 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 Indico (CERN)?
For production self-hosting (Medium difficulty tier), we recommend at least 4 GB RAM (minimum 2 GB), 2 vCPU, and 25 GB SSD storage, which typically costs $10 - $15/mo (e.g. Hetzner CPX21 or Linode).
Is Indico (CERN) free for commercial business use under the MIT license?
Yes. Distributed under the MIT license, Indico (CERN) can be self-hosted internally by businesses and engineering teams of any size without per-seat royalties.
README INTEGRATION // REPO EMBED
Embed Official Indico (CERN) Badge in GitHub README
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Live Preview:
Markdown Embed (GitHub / GitLab)
[](https://ossmatrix.com/project/indico)HTML Embed (Docs / Landing Pages)
<a href="https://ossmatrix.com/project/indico" target="_blank" rel="noopener noreferrer"><img src="https://ossmatrix.com/api/badge/indico" alt="Indico (CERN) on OSSMatrix" /></a>SIMILAR REPOSITORIES // PEER COMPARISON
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