Open Source C2IS

Command & Control
Without Compromise

ODIN is a free, open-source Command and Control Information System. Built for tactical mapping, situational awareness, and distributed coordination — with or without an internet connection.

Download for Free View on GitHub
100% Free & Open Source
3 Platforms Supported
AGPL-3.0 License
ODIN tactical mapping application showing military symbols and tactical graphics on a topographic map

Built for the Field

Everything you need for tactical planning and coordination, designed to work in challenging environments.

MIL-STD-2525C Symbology

Full support for military standard symbols. Drag, drop, and position tactical graphics with intuitive controls.

Offline-First

Self-host your map tiles and search services. ODIN works reliably without an internet connection.

Real-Time Collaboration

Built on the Matrix ecosystem for distributed, federated coordination across teams and locations.

Flexible Data Sources

Import WMTS, WMS, and GeoJSON layers. Export your work in standard formats for interoperability.

Productive Editing

Copy/paste, undo/redo, and tags for organizing layers. Link features to external URLs to extend your data without complexity.

Cross-Platform

Available for Windows, macOS, and Linux. Use it on the hardware you already have.

Why Choose ODIN?

In a world of expensive, proprietary C2 systems with vendor lock-in, ODIN offers a different path.

  • Full Transparency Open source under AGPL-3.0. Audit the code, understand what runs on your systems.
  • No Vendor Lock-In Your data stays yours. Export everything in standard formats anytime.
  • No Registration Required Download and start using ODIN immediately. No accounts, no tracking.
  • Self-Hosted Infrastructure Run your own map servers and services. True operational independence.
  • Community Driven Developed with input from real users. Feature requests and contributions welcome.
ODIN
  • Free forever
  • Open standards
  • Fully auditable
  • Air-gapped
Proprietary C2IS
  • Expensive licensing fees
  • Vendor lock-in
  • Closed source
  • Black box security

Get ODIN

Download the latest version for your platform. No registration required.

Windows

Windows 10 or later

macOS

macOS 10.15 or later

Linux

AppImage format

Snap Store

Auto-updating Linux package

Current version: 3.1.0 · View all releases

Join the Community

ODIN is built by a community of contributors. Whether you want to report bugs, suggest features, or contribute code, we'd love to have you.

GitHub Matrix Chat Email